View source for Trevor Gleeson

{{short description|Australian professional basketball coach (born 1968)}}
{{Use dmy dates|date=April 2018}}
{{Use Australian English|date=April 2018}}
{{Infobox basketball biography
| name = Trevor Gleeson
| image = Trevor Gleeson 2019 02 (cropped) 01.jpg
| caption = Gleeson with the [[Perth Wildcats]] in 2019
| league = [[B.League]]
| team = Chiba Jets Funabashi
| position = Head coach
| birth_date = {{birth date and age|df=yes|1968|5|28}}<!-- 28 May per https://twitter.com/PerthWildcats/status/868660863590219776 -->
| birth_place = 
| nationality = Australian
| highschool = [[Emmanuel College, Warrnambool|Emmanuel College]]<br>([[Warrnambool]], [[Victoria (state)|Victoria]])
| coach_start = 1990
| cyears1 = 1990–1991
| cteam1 = Warrnambool Mermaids
| cyears2 = 1992–1993
| cteam2 = Warrnambool Seahawks
| cyears3 = 1997–2000
| cteam3 = [[Brisbane Bullets]] (assistant)
| cyears4 = 2000–2001
| cteam4 = [[Quad City Thunder]] (assistant)
| cyears5 = 2001–2002
| cteam5 = [[Sioux Falls Skyforce]] (assistant)
| cyears6 = 2003–2004
| cteam6 = Sioux Falls Skyforce
| cyears7 = 2004–2005
| cteam7 = [[Seoul Samsung Thunders]] (assistant)
| cyears8 = 2005–2006
| cteam8 = [[Jeonju KCC Egis]] (assistant)
| cyears9 = 2006–2011
| cteam9 = [[Townsville Crocodiles]]
| cyears10 = 2011–2012
| cteam10 = [[Melbourne Tigers]]
| cyears11 = 2013–2021
| cteam11 = [[Perth Wildcats]]
| cyears12 = {{nbay|2021|start}}–{{nbay|2022|end}}
| cteam12 = [[Toronto Raptors]] (assistant)
| cyears13 = {{nbay|2023|full=y}}
| cteam13 = [[Milwaukee Bucks]] (assistant)
| cyears14 = 2024–present
| cteam14 = [[Chiba Jets]]
| highlights = 
* 5× [[List of NBL champions|NBL champion]] ([[2013–14 NBL season|2014]], [[2015–16 NBL season|2016]], [[2016–17 NBL season|2017]], [[2018–19 NBL season|2019]], [[2019–20 NBL season|2020]])
* [[NBL Cup]] winner ([[2021 NBL Cup|2021]])
* 2× [[NBL Coach of the Year Award|NBL Coach of the Year]] ([[2010–11 NBL season|2011]], [[2020–21 NBL season|2021]])
}}
'''Trevor Gleeson''' (born 28 May 1968) is an Australian professional [[basketball]] coach who is currently head coach of the [[Chiba Jets]] of the Japanese [[B.League]]. He first coached in the [[National Basketball League (Australia)|National Basketball League]] (NBL) between 1997 and 2000 as an assistant with the [[Brisbane Bullets]]. After six years in the [[Continental Basketball Association]] and [[Korean Basketball League]], he returned to the NBL in 2006 to coach the [[Townsville Crocodiles]], where he was named [[NBL Coach of the Year Award|NBL Coach of the Year]] in 2011. After a season with the [[Melbourne Tigers]], he coached the [[Perth Wildcats]] between 2013 and 2021, winning five [[List of NBL champions|NBL championships]] in 2014, 2016, 2017, 2019 and 2020, and earning NBL Coach of the Year for the second time in 2021. As of 2021, he ranked fifth all-time in NBL history for games coached.<ref>{{cite web|url=https://twitter.com/PerthWildcats/status/1404330119200608257|title=Trevor Gleeson coaches his 457th NBL game tonight...|work=twitter.com/PerthWildcats|date=14 June 2021|access-date=16 June 2021}}</ref> Between 2021 and 2023, Gleeson served as an assistant coach for the [[Toronto Raptors]] in the [[National Basketball Association]] (NBA). He served as an assistant coach for the [[Milwaukee Bucks]] during the 2023–24 season.

==Early life==
Gleeson grew up in [[Warrnambool]], [[Victoria (state)|Victoria]], as a member of a sports-mad family with four older siblings.<ref name=bio>{{cite web | url=http://www.emmanuel.vic.edu.au/alumni/trevor-gleeson | title=About Trevor Gleeson | work=Emmanuel.vic.edu.au | accessdate=7 March 2017 | url-status=dead | archive-url=https://web.archive.org/web/20170225021221/http://www.emmanuel.vic.edu.au/alumni/trevor-gleeson | archive-date=25 February 2017}}</ref> He played [[Australian rules football|football]] and basketball as a youth.<ref name="bio"/> He played for Warrnambool's under 14 team that finished third at the Australian basketball championships.<ref>{{cite web | last=McCullagh-Beasy | first=Justine | url=http://www.standard.net.au/story/2282691/shaping-warrnambool-basketball-across-40-years/ | title=Shaping Warrnambool basketball across 40 years | work=Standard.net.au | date=15 May 2014 | accessdate=7 March 2017}}</ref> In 1985, he graduated from [[Emmanuel College, Warrnambool|Emmanuel College]].<ref name="bio"/>

As an 18-year-old, Gleeson was involved in an industrial accident where a hydraulic door crushed his back. He subsequently spent six weeks in hospital.<ref name="bio"/><ref name=Bernard>{{cite web | last=Bernard | first=Grantley | url=http://www.heraldsun.com.au/sport/journeyman-trevor-gleeson-lured-south/news-story/b914ad534ba60425f1081c55587ab6c3 | title=Journeyman Trevor Gleeson lured south | work=HeraldSun.com.au | date=10 November 2011 | accessdate=7 March 2017}}</ref> In the aftermath of the injury, Gleeson pursued a coaching career.<ref name="bio"/>

==Coaching career==
===Early years in Australia (1990–2000)===
In 1990, Gleeson was appointed head coach of the Warrnambool Mermaids in the [[Big V#Victorian Basketball League|Country Victorian Invitational Basketball League]] (CVIBL).<ref name="bio"/> He guided the Mermaids to the CVIBL Division Two championship in his first year.<ref>{{cite web|url=http://www.bigv.com.au/index.cgi?sID=17&intArticleID=1946&det=1|title=Women's Champion Teams Year by Year|work=BigV.com.au|url-status=dead|archive-url=https://web.archive.org/web/20070910003600/http://www.bigv.com.au/index.cgi?sID=17&intArticleID=1946&det=1|archive-date=10 September 2007}}</ref><ref name=Mermaids-Seahawks>{{cite web | last=McCullagh-Beasy | first=Justine | url=http://www.standard.net.au/story/3108697/perth-wildcats-coach-trevor-gleeson-returns-home-to-accept-south-west-sport-honour/ | title=Perth Wildcats coach Trevor Gleeson returns home to accept South West Sport honour | work=Standard.net.au | date=28 May 2015 | accessdate=7 March 2017}}</ref> In 1992, he made the switch to Warrnambool's men's side, the Seahawks,<ref name="bio"/> where he was head coach for two years.<ref name="Mermaids-Seahawks"/> The Seahawks were CVIBL Division One runners-up in 1992.<ref>{{cite web|url=http://www.bigv.com.au/index.cgi?sID=17&intArticleID=1947&det=1|title=Men's Champion Teams Year by Year|work=BigV.com.au|url-status=dead|archive-url=https://web.archive.org/web/20070910003512/http://www.bigv.com.au/index.cgi?sID=17&intArticleID=1947&det=1|archive-date=10 September 2007}}</ref> In 1993, he served as head coach of the Victorian Basketball All Star Team.<ref name="bio"/>

Following his stint with the Seahawks, Gleeson moved to [[Gold Coast, Queensland|Gold Coast]], [[Queensland]], to study and coach at [[Griffith University]].<ref name="bio"/>

In 1997, Gleeson joined the coaching staff of the [[Brisbane Bullets]] in the [[National Basketball League (Australia)|National Basketball League]] (NBL) as a development coach.<ref name="bio"/><ref name="Bernard"/> Following the [[1999–2000 NBL season]], the entire Bullets' coaching staff was sacked.<ref name="Bernard"/>

===United States and Korea (2000–2006)===
Gleeson moved to the United States in 2000 and began working at summer basketball camps. He connected with coach [[Bob Thornton]] and joined him on his staff at the [[Quad City Thunder]] in the [[Continental Basketball Association]] (CBA).<ref name="Bernard"/> After one season as an assistant coach with Quad City, Gleeson spent the 2001–02 season as an assistant coach with the [[Sioux Falls Skyforce]]. He parted ways with Sioux Falls following the season, but in January 2003, he returned to the Skyforce and took over as head coach for the remainder of the 2002–03 season.<ref>{{cite web | url=http://www.keloland.com/news/article/other/stacey-king-is-dethroned-skyforce-hire-former-assistant-trevor-gleeson | title=Stacey King Is Dethroned; Skyforce Hire Former Assistant Trevor Gleeson | work=keloland.com | date=31 January 2003 | accessdate=7 March 2017}}</ref> He continued on as head coach of the Skyforce for the 2003–04 season.<ref>{{cite web | url=http://siouxfalls.dleague.nba.com/season-by-season-record/ | title=Season-by-Season Record | work=NBA.com | accessdate=7 March 2017}}</ref><ref>{{cite web | url=http://siouxfalls.dleague.nba.com/all-time-head-coaches/ | title=All-Time Skyforce Head Coaches | work=NBA.com | accessdate=7 March 2017}}</ref>

For the 2004–05 season, Gleeson moved to South Korea to serve as an assistant coach with the [[Seoul Samsung Thunders]] of the [[Korean Basketball League]]. The 2005–06 season was then spent as an assistant with the [[Jeonju KCC Egis]].<ref name="bio"/>

===Townsville Crocodiles (2006–2011)===
In 2006, Gleeson returned to Australia and was appointed head coach of the [[Townsville Crocodiles]] in the NBL.<ref>{{cite web | url=http://www.nbl.com.au/default.aspx?s=newsdisplay&aid=3147 | title=Gleeson gets Crocs job | work=NBL.com.au | date=9 March 2006 | url-status=dead | archiveurl=https://web.archive.org/web/20060830070123/http://www.nbl.com.au/default.aspx?s=newsdisplay&aid=3147 | archivedate=30 August 2006}}</ref> The Crocodiles finished fifth on the regular season standings in each of his first three seasons, leading to quarter-final losses in 2007 and 2008, and then a semi-final appearance in 2009. The following two seasons saw the Crocodiles rise to a third-place finish in 2009–10 and then a second-place finish in 2010–11; however, both seasons ended in semi-final defeats.<ref>{{cite web | url=http://www.crocodiles.com.au/history/crocs-history-1998-now/ | title=CROCS HISTORY 1998 – NOW | work=Crocodiles.com.au | accessdate=7 March 2017 | url-status=dead | archiveurl=https://web.archive.org/web/20170630040612/http://www.crocodiles.com.au/history/crocs-history-1998-now/ | archivedate=30 June 2017}}</ref> He was named [[NBL Coach of the Year Award|NBL Coach of the Year]] for the 2010–11 season.<ref>{{cite web | url=http://www.nbl.com.au/news/article/2011/april/crocs-trevor-gleeson-wins-lindsay-gaze-trophy/ | title=Crocs' Trevor Gleeson wins Lindsay Gaze Trophy | work=NBL.com.au | date=5 April 2011 | url-status=dead | archiveurl=https://web.archive.org/web/20110406122747/http://www.nbl.com.au/news/article/2011/april/crocs-trevor-gleeson-wins-lindsay-gaze-trophy/ | archivedate=6 April 2011}}</ref><ref>{{cite web | url=http://www.nbl.com.au/crocodiles-home/news/article/2011/april/trevor-gleeson-wins-lindsay-gaze-trophy/ | title=Trevor Gleeson wins Lindsay Gaze Trophy | work=NBL.com.au | date=5 April 2011 | url-status=dead | archiveurl=https://web.archive.org/web/20110422103038/http://www.nbl.com.au/crocodiles-home/news/article/2011/april/trevor-gleeson-wins-lindsay-gaze-trophy/ | archivedate=22 April 2011}}</ref>

Gleeson parted ways with the Crocodiles in 2011 in order to return home to Victoria. His wife was battling breast cancer at the time.<ref>{{cite web | last=Ward | first=Roy | url=http://www.theage.com.au/sport/basketball/tigers-snare-crocs-coach-20110428-1dyri.html | title=Tigers snare Crocs' coach | work=TheAge.com.au | date=29 April 2011 | accessdate=7 March 2017}}</ref>

===Melbourne Tigers (2011–2012)===
In April 2011, Gleeson was appointed head coach of the [[Melbourne Tigers]] in the NBL<ref>{{cite web | last=Reed | first=Ron | url=http://www.heraldsun.com.au/sport/trevor-gleeson-bares-his-teeth/news-story/66e0448590e85336e080d62cbd7ed219 | title=Trevor Gleeson bares his teeth | work=HeraldSun.com.au | date=28 April 2011 | accessdate=7 March 2017}}</ref> on a reported three-year deal worth around $150,000 a season.<ref name=stood-down>{{cite web | last1=Lynch | first1=Jared | last2=Pierik | first2=Jon | url=http://www.smh.com.au/sport/basketball/tigers-in-shock-as-coach-stood-down-20120517-1ytli.html | title=Tigers in shock as coach stood down | work=SMH.com.au | date=18 May 2012 | accessdate=7 March 2017}}</ref> The Tigers started the season with a 5–1 record<ref>{{cite web | last=Ward | first=Roy | url=http://www.smh.com.au/sport/basketball/coachs-family-holds-court-20111109-1n7c9.html | title=Coach's family holds court | work=SMH.com.au | date=10 November 2011 | accessdate=7 March 2017}}</ref> but went on to miss the playoffs with an 11–17 record.<ref name="stood-down"/>

In June 2012, Gleeson was sacked by the Tigers after weeks of speculation and a club review. New club owner and chief executive [[Larry Kestelman]] and new director of basketball [[Chris Anstey]] triggered an "investigation" into Gleeson's tenure, with the review revealing nothing other than Gleeson's "style" did not suit them.<ref name="stood-down"/><ref>{{cite web | last1=Best | first1=Greg | last2=Pierik | first2=Jon | url=http://www.standard.net.au/story/71982/coachs-reputation-intact-as-gleeson-melbourne-tigers-part-ways/ | title=Coach's reputation intact as Gleeson, Melbourne Tigers part ways | work=Standard.net.au | date=4 June 2012 | accessdate=7 March 2017}}</ref>

===Stint in the AFL===
After parting ways with the Tigers, Gleeson remained in Melbourne and worked for a number of months with [[Australian Football League]] (AFL) clubs [[North Melbourne Football Club|North Melbourne]] and [[Hawthorn Football Club|Hawthorn]] as a skills coach.<ref name=Santamaria>{{cite web | last=Santamaria | first=Liam | url=http://www.nbl.com.au/featured-news/trevor-gleesons-righting-reflex/ | title=TREVOR GLEESON'S RIGHTING REFLEX | work=NBL.com.au | date=6 March 2017 | accessdate=7 March 2017 | url-status=dead | archiveurl=https://web.archive.org/web/20170307082330/http://www.nbl.com.au/featured-news/trevor-gleesons-righting-reflex/ | archivedate=7 March 2017}}</ref>

===Perth Wildcats (2013–2021)===
====First championship (2013–14)====
In June 2013, Gleeson was appointed head coach of the [[Perth Wildcats]] in the NBL on a three-year deal.<ref>{{cite web | url=http://www.wildcats.com.au/article/id/vzjy2xccfcqi1pclj1bsx8vet | title=Perth Wildcats sign Trevor Gleeson as head coach | work=Wildcats.com.au | date=20 June 2013 | url-status=dead | archiveurl=https://web.archive.org/web/20141108062257/http://www.wildcats.com.au/article/id/vzjy2xccfcqi1pclj1bsx8vet | archivedate=8 November 2014}}</ref><ref>{{cite web | url=https://www.youtube.com/watch?v=SV-f3cygBfE |archive-url=https://ghostarchive.org/varchive/youtube/20211221/SV-f3cygBfE |archive-date=2021-12-21 |url-status=live| title=Wildcats change | work=YouTube.com | date=20 June 2013 | accessdate=26 February 2019}}{{cbignore}}</ref> After winning the NBL's preseason tournament, the Wildcats started the 2013–14 regular season with an 8–0 record.<ref>{{cite web | url=http://www.nbl.com.au/article/id/m1y5vptd0c7n11j78lvsa5gqo | title=Wildcats Sweep NBL Player and Coach of the Month Awards | work=NBL.com.au | date=1 November 2013 | url-status=dead | archiveurl=https://web.archive.org/web/20131104044450/http://www.nbl.com.au/article/id/m1y5vptd0c7n11j78lvsa5gqo | archivedate=4 November 2013}}</ref> He went on to guide the Wildcats to the minor premiership with a 21–7 record,<ref>{{cite web | last=Zardo | first=Dean | url=https://pickandroll.com.au/nbl-201314-season-preview-perth-wildcats/ | title=2014/15 NBL Season Preview: Perth Wildcats | work=PickAndRoll.com.au | date=2 October 2014 | accessdate=7 March 2017}}</ref> before guiding them through to the NBL Grand Final series, where they defeated the [[Adelaide 36ers]] in three games to win the [[List of NBL champions|championship]].<ref>{{cite web | url=http://www.nbl.com.au/article/id/hw7inkap3lvp1sya2oli02jiw | title=GF Report: Perth thrash 36ers, claim sixth title | work=NBL.com.au | date=13 April 2014 | url-status=dead | archiveurl=https://web.archive.org/web/20140413132200/http://www.nbl.com.au/article/id/hw7inkap3lvp1sya2oli02jiw | archivedate=13 April 2014}}</ref>

====Second championship (2015–16)====
After a semi-final defeat in 2014–15,<ref name=fox>{{cite web | last=Robison | first=Chris | url=http://www.foxsports.com.au/news/improved-chemistry-set-to-boost-perth-wildcats-says-coach-trevor-gleeson/news-story/3edcdc09f376430b33c751a73812170a | title=Improved chemistry set to boost Perth Wildcats, says coach Trevor Gleeson | work=FoxSports.com.au | date=6 October 2015 | accessdate=7 March 2017}}</ref> the Wildcats finished the 2015–16 regular season in second place with an 18–10 record.<ref>{{cite web | url=http://www.nbl.com.au/featured-news/perth-wildcats-30-and-counting/ | title=PERTH WILDCATS: 30 AND COUNTING | work=NBL.com.au | date=7 February 2016 | accessdate=7 March 2017}}</ref> They went on to reach the NBL Grand Final series, where they defeated the [[New Zealand Breakers]] in three games to win the championship.<ref name=2016champs>{{cite web | url=http://www.nbl.com.au/featured-news/gleeson-makes-history-coach-wildcats/ | title=GLEESON MAKES HISTORY AS COACH OF THE WILDCATS | work=NBL.com.au | date=8 March 2016 | accessdate=7 March 2017}}</ref> Gleeson subsequently became the first two-time championship-winning Wildcats coach.<ref name="2016champs"/><ref>{{cite web | url=http://www.wildcats.com.au/featured-news/perth-wildcats-2016-nbl-champions/ | title=PERTH WILDCATS – 2016 NBL CHAMPIONS | work=Wildcats.com.au | date=6 March 2016 | accessdate=7 March 2017 | url-status=dead | archiveurl=https://web.archive.org/web/20160309191938/http://www.wildcats.com.au/featured-news/perth-wildcats-2016-nbl-champions/ | archivedate=9 March 2016}}</ref>

====Third championship (2016–17)====
[[File:Trevor Gleeson 5.jpg|thumb|right|upright|Gleeson in March 2017, after winning his third NBL championship]]
On 1 May 2016, Gleeson re-signed with the Wildcats on a three-year deal.<ref>{{cite web | url=http://www.wildcats.com.au/featured-news/championship-coach-re-signs/ | title=CHAMPIONSHIP COACH RE-SIGNS | work=Wildcats.com.au | date=1 May 2016 | accessdate=7 March 2017}}</ref><ref name=thewest>{{cite web | last=Rynne | first=Nick | url=https://thewest.com.au/sport/basketball/trevor-gleeson-one-on-one-with-the-west-ng-ya-253422 | title=Trevor Gleeson one-on-one with The West | work=TheWest.com.au | date=5 October 2016 | accessdate=7 March 2017}}</ref> The Wildcats started the 2016–17 season with a 4–1 record before slumping to the bottom of the ladder in December. The injury toll was a key factor, as was the chemistry balance.<ref name=thewest2>{{cite web | last=Chadwick | first=Justin | url=https://thewest.com.au/sport/basketball/wildcat-martin-hopes-for-special-nbl-title-ng-s-1680893 | title=Wildcat Martin hopes for special NBL title | work=TheWest.com.au | date=23 February 2017 | accessdate=7 March 2017}}</ref> With the signing of import guard [[Bryce Cotton]] in January,<ref name=thewest3>{{cite web | last=O'Donoghue | first=Craig | url=https://thewest.com.au/sport/basketball/marvin-vowed-to-quit-if-coach-axed-ng-b88398045z | title=Marvin vowed to quit if coach axed | work=TheWest.com.au | date=25 February 2017 | accessdate=7 March 2017}}</ref> the Wildcats won eight of their remaining twelve regular season games, including two must-win encounters in the final round to squeeze into the playoffs. They went on to go undefeated in the finals, sweeping the [[Cairns Taipans]] in the semi-finals and then sweeping the [[Illawarra Hawks]] in the grand final series.<ref name="Santamaria"/><ref name="thewest2"/><ref>{{cite web | last=McCullagh-Beasy | first=Justine | url=https://www.standard.net.au/story/4508694/coach-gleeson-wins-third-nbl-championship-photos/ | title=Warrnambool export Trevor Gleeson wins third NBL championship as Perth Wildcats coach | work=standard.net.au | date=5 March 2017 | accessdate=12 December 2019}}</ref> The Wildcats went back-to-back for the first time since 1990/1991,<ref>{{cite web | url=http://www.wildcats.com.au/perth-wildcats/perth-wildcats-win-back-back-nbl-championships/ | title=PERTH WILDCATS WIN BACK-TO-BACK NBL CHAMPIONSHIPS | work=Wildcats.com.au | date=5 March 2017 | accessdate=7 March 2017 | url-status=dead | archiveurl=https://web.archive.org/web/20170305193200/http://www.wildcats.com.au/perth-wildcats/perth-wildcats-win-back-back-nbl-championships/ | archivedate=5 March 2017 | df=dmy-all }}</ref> while Gleeson became the first coach to guide the Wildcats to back-to-back championships.<ref name="2016champs"/>

====Fourth championship (2018–19)====
[[File:Trevor Gleeson 2019 08.jpg|thumb|right|upright|Gleeson in March 2019, after winning his fourth NBL championship]]
After a semi-final defeat in 2017–18,<ref>{{cite web|url=http://www.nbl.com.au/news/article/sixers-dig-deep-to-eliminate-champs-reach-gf|title=Sixers Dig Deep to Eliminate Champs, Reach GF|work=NBL.com.au|date=9 March 2018|access-date=9 December 2018}}</ref> the Wildcats started the 2018–19 season with a 10–1 record before dropping to 12–9 by mid-January.<ref>{{cite web|last=O'Donoghue|first=Craig|url=https://thewest.com.au/sport/perth-wildcats/wildcats-season-remains-in-free-fall-after-36ers-loss-ng-b881077517z|title=Wildcats' season remains in free-fall after 36ers loss|work=TheWest.com.au|date=17 January 2019|accessdate=20 January 2019}}</ref> They went on to win six straight games to lock up the minor premiership before losing the regular-season finale in overtime to [[Melbourne United]], thus finishing with an 18–10 record.<ref>{{cite web|url=http://www.wildcats.com.au/news/article/wildcats-fall-in-ot-to-melbourne|title=Wildcats fall in OT to Melbourne|work=Wildcats.com.au|date=17 February 2019|accessdate=17 February 2019}}</ref><ref>{{cite web|url=http://www.wildcats.com.au/news/article/semi-finals-information-2|title=Semi-Finals Information|work=Wildcats.com.au|date=17 February 2019|accessdate=17 February 2019}}</ref> Gleeson coached the team to the top of the table despite enormous adversity. Captain [[Damian Martin]] (calf), starting centre [[Angus Brandt]] (ankle) and back-up guard [[Mitch Norton]] (calf) missed large chunks of the season, while imports [[Bryce Cotton]] (thumb/hamstring) and [[Terrico White]] (hamstring/wrist) also missed games. The Wildcats were under intense external pressure to make changes to their roster, including signing a third import, after going through a slump where they lost eight out of 10 games, but Gleeson refused to budge and the players responded.<ref>{{cite web|last=O'Donoghue|first=Craig|url=https://thewest.com.au/sport/perth-wildcats/perth-wildcats-star-bryce-cotton-stunned-over-trevor-gleesons-coach-of-the-year-award-snub-ng-b881108786z|title=Perth Wildcats star Bryce Cotton stunned over Trevor Gleeson's Coach of the Year award snub|work=TheWest.com.au|date=18 February 2019|accessdate=18 February 2019}}</ref><ref>{{cite web|last=Rynne|first=Nick|url=https://www.perthnow.com.au/sport/perth-wildcats/perth-wildcats-coach-trevor-gleeson-cant-even-make-nbl-coach-of-the-year-shortlist-despite-first-placed-finish-ng-b881109296z|title=Perth Wildcats coach Trevor Gleeson can't even make NBL coach of the year shortlist despite first-placed finish|work=PerthNow.com.au|date=18 February 2019|accessdate=18 February 2019}}</ref> He guided the Wildcats to a 2–0 win over the [[Brisbane Bullets]] in the semi-finals before a 3–1 victory over Melbourne United in the grand final series saw the Wildcats win their ninth championship, with Gleeson winning his fourth title and making history by becoming the first coach in NBL history to win four championships with one team.<ref>{{cite web|url=https://nbl.com.au/news/wildcats-clinch-ninth-championship-on-the-road|title=Wildcats Clinch Ninth Championship on the Road|work=NBL.com.au|date=17 March 2019|access-date=11 March 2023|archive-date=11 March 2023|archive-url=https://web.archive.org/web/20230311135335/https://nbl.com.au/news/wildcats-clinch-ninth-championship-on-the-road|url-status=live}}</ref><ref>{{cite web|url=http://www.wildcats.com.au/news/article/wildcats-claim-ninth-championship|title=Wildcats claim Ninth Championship!|work=Wildcats.com.au|date=17 March 2019|accessdate=17 March 2019}}</ref><ref>{{cite web|url=http://www.nbl.com.au/news/article/how-utah-thrashing-became-wildcats-championship-success|title=How Utah Thrashing Became Wildcats Championship Success|work=NBL.com.au|date=18 March 2019|accessdate=18 March 2019}}</ref>

====Fifth championship (2019–20)====
On 22 March 2019, Gleeson re-signed with the Wildcats for three more seasons.<ref>{{cite web|url=http://www.wildcats.com.au/news/article/trevor-gleeson-re-signs|title=Trevor Gleeson Re-Signs|work=Wildcats.com.au|date=22 March 2019|accessdate=22 March 2019}}</ref><ref>{{cite web|last=O'Donoghue|first=Craig|url=https://thewest.com.au/sport/perth-wildcats/perth-wildcats-coach-trevor-gleeson-re-signs-for-three-more-season-ng-b881143736z|title=Perth Wildcats coach Trevor Gleeson re-signs for three more seasons|work=TheWest.com.au|date=22 March 2019|accessdate=22 March 2019}}</ref> In July 2019, he joined the [[Indiana Pacers]] coaching staff for the [[2019 NBA Summer League|NBA Summer League]].<ref>{{cite web|url=http://www.wildcats.com.au/news/article/gleeson-joins-indiana-pacers-summer-league-coaching-staff|title=Gleeson joins Indiana Pacers Summer League coaching staff|work=Wildcats.com.au|date=28 June 2019|accessdate=28 June 2019}}</ref>

The Wildcats dropped to an 8–5 record at the conclusion of round 9 of the 2019–20 season.<ref name=sixers-loss>{{cite web|last=O'Donoghue|first=Craig|url=https://www.perthnow.com.au/sport/perth-wildcats/perth-wildcats-stunned-in-home-blowout-with-loss-to-adelaide-ng-b881398608z|title=Perth Wildcats stunned in home blowout with loss to Adelaide|work=PerthNow.com.au|date=1 December 2019|accessdate=10 December 2019}}</ref> Gleeson and the Wildcats responded with two wins in round 10.<ref>{{cite web|url=http://www.wildcats.com.au/news/article/record-breaking-wildcats-smash-kings-at-the-jungle|title=Record-breaking Wildcats smash Kings at The Jungle|work=Wildcats.com.au|date=6 December 2019|accessdate=10 December 2019}}</ref><ref>{{cite web|url=http://www.wildcats.com.au/news/article/wildcats-out-fire-phoenix-in-melbourne|title=Wildcats out-fire Phoenix in Melbourne|work=Wildcats.com.au|date=8 December 2019|accessdate=10 December 2019}}</ref> In December 2019, Gleeson coached his 400th NBL game, becoming just the eighth coach in NBL history to reach the milestone.<ref>{{cite web|url=http://www.wildcats.com.au/news/article/trevor-gleeson-to-coach-400th-nbl-game|title=Trevor Gleeson to coach 400th NBL Game|work=Wildcats.com.au|date=10 December 2019|accessdate=10 December 2019}}</ref><ref>{{cite web|last=O'Donoghue|first=Craig|url=https://www.pressreader.com/australia/the-west-australian/20191212/282175062999462|title=Trev's in rare air|work=The West Australian|date=12 December 2019|accessdate=12 December 2019}}</ref> After losing back-to-back games to start January 2020, Gleeson and the Wildcats decided to release import [[Dario Hunt]] and replace him with seven-year NBA veteran [[Miles Plumlee]].<ref>{{cite web|url=http://www.wildcats.com.au/news/article/wildcats-sign-nba-big-miles-plumlee|title=Wildcats sign NBA big, Miles Plumlee|work=Wildcats.com.au|date=8 January 2020|accessdate=8 January 2020}}</ref> The team went on to win six of the final seven games of the season to finish in second place with a 19–9 record. It marked the Wildcats' best regular-season record since the 21–7 campaign in 2013–14.<ref>{{cite web|url=https://www.wildcats.com.au/news/article/undermanned-wildcats-thump-sixers|title=Undermanned Wildcats thump Sixers|work=Wildcats.com.au|date=15 February 2020|accessdate=15 February 2020}}</ref>

After defeating the Taipans 2–1 in the semi-finals, the Wildcats faced the [[Sydney Kings]] in the NBL Grand Final. In the grand final series, the Wildcats took Game 1 in Sydney before the Kings levelled the series with a win in Perth.<ref>{{cite web|url=http://www.wildcats.com.au/news/article/wildcats-take-game-one-on-the-road|title=Wildcats take Game One on the road|work=Wildcats.com.au|date=8 March 2020|accessdate=19 March 2020}}</ref><ref>{{cite web|url=https://nbl.com.au/news/kings-stand-tall-to-level-grand-final-series-1-1|title=Kings Stand Tall to Level Grand Final Series 1-1|work=NBL.com.au|date=13 March 2020|accessdate=19 March 2020}}</ref> The Wildcats went on to take a 2–1 series lead with a win in Game 3 in Sydney.<ref>{{cite web|url=http://www.wildcats.com.au/news/article/perth-wildcats-one-win-away-from-championship|title=Perth Wildcats one win away from championship|work=Wildcats.com.au|date=15 March 2020|accessdate=19 March 2020}}</ref> Due to the [[COVID-19 pandemic in Australia|coronavirus outbreak]], it was decided that Games 2–5 would take place behind closed doors. Following Game 3 however, the Kings refused to take part in the final two games of the series, withdrawing citing health and safety concerns. As a result of a series cancellation and with Perth up 2–1, the NBL declared the Wildcats the champions for the 2019–20 season, with Gleeson thus claiming his fifth NBL championship.<ref name=champions2020>{{cite web|url=http://www.wildcats.com.au/news/article/perth-wildcats-back-to-back-nbl-champions|title=Perth Wildcats Back-to-Back NBL Champions|work=Wildcats.com.au|date=19 March 2020|accessdate=19 March 2020}}</ref><ref>{{cite web|url=https://nbl.com.au/news/perth-wildcats-crowned-nbl20-champions|title=Perth Wildcats Crowned NBL20 Champions|work=NBL.com.au|date=19 March 2020|accessdate=19 March 2020}}</ref>

====Coach of the Year and sixth grand final (2020–21)====
Due to the COVID-19 pandemic, the [[2020–21 NBL season]] did not commence until January 2021.<ref>{{cite web|url=https://nbl.com.au/news/nbl-unveils-round-two-schedule-of-hungry-jacks-nbl21-season|title=NBL Unveils Round Two Schedule of Hungry Jack's NBL21 Season|work=nbl.com.au|date=12 January 2021|access-date=19 January 2021}}</ref><ref>{{cite web|url=https://nbl.com.au/news/cotton-and-wildcats-show-they-cant-be-ignored|title=Cotton and Wildcats show they can't be ignored|work=NBL.com.au|date=24 January 2021|access-date=24 January 2021}}</ref> In February, Gleeson coached the Wildcats for the 231st time, surpassing [[Alan Black (basketball)|Alan Black]] to set a new club record.<ref>{{cite web|url=https://www.wildcats.com.au/news/trevor-gleeson-to-break-wildcats-coaching-record|title=Trevor Gleeson to break Wildcats coaching record|work=Wildcats.com.au|date=9 February 2021|accessdate=9 February 2021}}</ref> He also became the winningest coach in Wildcats history with his 146th win.<ref>{{cite web|last=Snowdon|first=Darren|url=https://7news.com.au/sport/basketball/wildcats-crush-phoenix-in-big-nbl-victory-c-2144190|title=Wildcats crush Phoenix in big NBL victory|work=7news.com.au|date=11 February 2021|accessdate=11 February 2021}}</ref><ref>{{cite web|url=https://www.wildcats.com.au/news/wildcats-crush-phoenix-in-record-breaking-night|title=Wildcats crush Phoenix in record-breaking night|work=Wildcats.com.au|date=11 February 2021|accessdate=11 February 2021|quote=The game also saw Trevor Gleeson break the Perth Wildcats record for both games-coached and games-won as Wildcats coach - overtaking Alan Black on both lists.}}</ref> With his 250th career win later that month, he became just the sixth coach in NBL history to reach that milestone, and the third fastest to do it at 424 games.<ref>{{cite web|url=https://www.wildcats.com.au/news/more-records-for-gleeson|title=More records for Gleeson|work=Wildcats.com.au|date=22 February 2021|accessdate=23 February 2021}}</ref> In March, the team won the [[2021 NBL Cup|inaugural NBL Cup]] with a 7–1 record over the eight Cup games, having been away from Perth for six weeks.<ref>{{cite web|url=https://nbl.com.au/news/wildcats-complete-nbl-cup-with-dazzling-comeback|title=Wildcats complete NBL Cup with dazzling comeback|work=NBL.com.au|date=14 March 2021|access-date=14 March 2021}}</ref><ref>{{cite web|url=https://www.wildcats.com.au/news/wildcats-come-from-26-down-to-defeat-36ers|title=Wildcats come from 26 down to defeat 36ers|work=Wildcats.com.au|date=14 March 2021|access-date=14 March 2021}}</ref> Gleeson coached his 250th Wildcats game in April, having won 64.7 per cent of those games.<ref>{{cite web|url=https://www.wildcats.com.au/news/gleeson-to-become-first-to-coach-250-wildcats-games|title=Gleeson to become first to coach 250 Wildcats games|work=Wildcats.com.au|date=17 April 2021|accessdate=17 April 2021}}</ref> In May, he coached his 450th NBL game<ref>{{cite web|url=https://thewest.com.au/sport/basketball/gleeson-marks-450-nbl-games-with-perth-win-c-2901091|title=Gleeson marks 450 NBL games with Perth win|work=TheWest.com.au|date=21 May 2021|access-date=29 May 2021}}</ref> and led the Wildcats to a finals berth for the 35th straight year.<ref>{{cite web|url=https://www.wildcats.com.au/news/wildcats-clinch-35th-consecutive-nbl-finals-berth|title=Wildcats clinch 35th consecutive NBL Finals berth|work=Wildcats.com.au|date=17 May 2021|access-date=17 May 2021}}</ref> He was subsequently named [[NBL Coach of the Year Award|NBL Coach of the Year]] for the second time in his career and first as coach of the Wildcats.<ref>{{cite web|url=https://www.wildcats.com.au/news/bryce-cotton-wins-third-nbl-mvp|title=Bryce Cotton wins third NBL MVP|work=Wildcats.com.au|date=16 June 2021|access-date=16 June 2021}}</ref><ref>{{cite web|url=https://nbl.com.au/news/bryce-cotton-claims-third-andrew-gaze-mvp-trophy|title=Bryce Cotton Claims Third Andrew Gaze MVP Trophy|work=NBL.com.au|date=16 June 2021|access-date=16 June 2021}}</ref> He guided the Wildcats to a sixth grand final in eight years with a 2–1 semi-final series victory over the Illawarra Hawks.<ref>{{cite web|url=https://nbl.com.au/news/wildcats-prevail-over-hawks-in-game-3|title=Wildcats prevail over Hawks in Game 3|website=NBL.com.au|date=14 June 2021|access-date=14 June 2021}}</ref><ref>{{cite web|url=https://www.wildcats.com.au/news/wildcats-book-ticket-to-2021-grand-final|title=Wildcats book ticket to 2021 Grand Final|website=Wildcats.com.au|date=14 June 2021|access-date=14 June 2021}}</ref> They went on to lose 3–0 to Melbourne United in the grand final series.<ref>{{cite web|url=https://nbl.com.au/news/united-secure-nbl21-championship-on-home-court|title=United secure NBL21 championship on home court|website=NBL.com.au|date=25 June 2021|access-date=25 June 2021}}</ref><ref>{{cite web|url=https://www.wildcats.com.au/news/so-proud-of-the-boys-gleeson|title=So proud of the boys: Gleeson|website=Wildcats.com.au|date=25 June 2021|access-date=25 June 2021}}</ref>

On 12 July 2021, Gleeson requested to be released from the final year of his contract with the Wildcats after receiving an NBA coaching opportunity.<ref>{{cite web|url=https://nbl.com.au/news/gleeson-departs-perth-to-pursue-nba-opportunity|title=Gleeson Departs Perth to Pursue NBA Opportunity|website=NBL.com.au|date=12 July 2021|access-date=12 July 2021}}</ref><ref>{{cite web|url=https://www.wildcats.com.au/news/thank-you-trevor-gleeson|title=Thank you, Trevor Gleeson|website=Wildcats.com.au|date=12 July 2021|access-date=12 July 2021}}</ref>

===Toronto Raptors (2021–2023)===
On 2 August 2021, Gleeson was appointed an assistant coach of the [[Toronto Raptors]]<ref>{{cite web|url=https://www.nba.com/raptors/raptors-announce-2021-22-coaching-staff|title=Raptors Announce 2021-22 Coaching Staff|website=NBA.com/raptors|date=2 August 2021|access-date=3 August 2021}}</ref> on a three-year contract.<ref name=leave-toronto>{{cite web|last=O'Donoghue|first=Craig|url=https://thewest.com.au/sport/perth-wildcats/former-perth-wildcats-coach-trevor-gleeson-considering-next-move-after-leaving-toronto-raptors-c-11268490|title=Former Perth Wildcats coach Trevor Gleeson considering next move after leaving Toronto Raptors|work=[[The West Australian]]|date=13 July 2023|access-date=17 August 2023|url-status=dead|archive-url=https://archive.today/20230715012255/https://thewest.com.au/sport/perth-wildcats/former-perth-wildcats-coach-trevor-gleeson-considering-next-move-after-leaving-toronto-raptors-c-11268490|archive-date=15 July 2023}}</ref> His first game as an [[NBA]] assistant coach came on 20 October 2021 in the Raptors' 98–83 season-opening loss to the [[Washington Wizards]] in Toronto.<ref>{{cite web|last=Rogers|first=Samantha|url=https://www.perthnow.com.au/sport/perth-wildcats/former-wildcats-coach-trevor-gleeson-pinching-himself-after-coaching-debut-for-nbas-toronto-raptors-c-4304137|title=Former Wildcats coach Trevor Gleeson 'pinching himself' after coaching debut for NBA's Toronto Raptors|website=PerthNow.com.au|date=22 October 2021|access-date=22 October 2021}}</ref> He started the [[2021–22 Toronto Raptors season|2021–22 season]] as the Raptors' offensive coach but was rotated mid-season to defence by head coach [[Nick Nurse]].<ref>{{cite web|last=O'Donoghue|first=Craig|url=https://thewest.com.au/sport/perth-wildcats/perth-wildcats-championship-coach-and-toronto-raptors-assistant-trevor-gleeson-on-the-dribble-podcast-c-5049722|title=Perth Wildcats championship coach and Toronto Raptors assistant Trevor Gleeson on The Dribble Podcast|website=[[The West Australian]]|date=22 December 2021|access-date=28 December 2021}}</ref> He helped the Raptors reach the [[2022 NBA playoffs]].<ref>{{cite web|last=Pitman|first=Kane|url=https://www.espn.com/nbl/story/_/id/33741339|title=Wildcats to Raptors: Gleeson on stunning the critics and which NBL players can make the leap|website=ESPN.com|date=15 April 2022|access-date=15 April 2022}}</ref> Gleeson parted ways with the Raptors following the [[2022–23 Toronto Raptors season|2022–23 season]] after coach Nurse was sacked.<ref name="leave-toronto"/>

Gleeson spoke with multiple NBA teams during the 2023 off-season before they went in different directions. He also declined a job offer in Europe. His Raptors contract was paid out for the 2023–24 season.<ref name="leave-toronto"/>

===Milwaukee Bucks (2023–2024)===
On 27 December 2023, Gleeson was appointed an assistant coach of the [[Milwaukee Bucks]].<ref>{{cite web |last=Wojnarowski |first=Adrian |author-link=Adrian Wojnarowski |date=27 December 2023 |others=Contributed by Jamal Collier and Kane Pittman |title=Bucks add Trevor Gleeson to Adrian Griffin's coaching staff |url=https://www.espn.com/nba/story/_/id/39193378 |access-date=28 December 2023 |website=ESPN.com}}</ref><ref>{{cite web|last=O'Donoghue|first=Craig|url=https://thewest.com.au/sport/basketball/former-perth-wildcats-coach-trevor-gleeson-details-his-remarkable-journey-back-to-nba-with-milwaukee-bucks-c-13051392|title=Former Perth Wildcats coach Trevor Gleeson details his remarkable journey back to NBA with Milwaukee Bucks|work=[[The West Australian]]|date=29 December 2023|url-status=dead|archive-url=https://archive.today/20231229003433/https://thewest.com.au/sport/basketball/former-perth-wildcats-coach-trevor-gleeson-details-his-remarkable-journey-back-to-nba-with-milwaukee-bucks-c-13051392|archive-date=29 December 2023}}</ref> He was not retained following the [[2023–24 Milwaukee Bucks season|2023–24 season]].<ref>{{cite web|url=https://www.nba.com/bucks/news/milwaukee-bucks-introduce-assistant-coaching-staff-for-2024-25-season|title=Milwaukee Bucks Introduce Assistant Coaching Staff For 2024-25 Season|website=NBA.com/bucks|date=8 July 2024|access-date=9 July 2024}}</ref>

===Chiba Jets (2024–present)===
On 24 July 2024, Gleeson was appointed head coach of the [[Chiba Jets]] of the Japanese [[B.League]] for the [[2024–25 B1 League season|2024–25 season]].<ref>{{cite web|url=https://chibajets.jp/news/detail/id=22815|title=2024-25 シーズン ヘッドコーチ契約締結（新規）のお知らせ|website=chibajets.jp|date=24 July 2024|access-date=5 August 2024|language=Japanese}}</ref><ref>{{cite web|last=O'Donoghue|first=Craig|url=https://thewest.com.au/sport/basketball/perth-wildcats-in-talks-with-chiba-jets-to-play-pre-season-games-against-former-coach-trevor-gleeson-c-15583947|title=Perth Wildcats in talks with Chiba Jets to play pre-season games against former coach Trevor Gleeson|work=[[The West Australian]]|date=5 August 2024|url-status=dead|archive-url=https://archive.today/20240805104342/https://thewest.com.au/sport/basketball/perth-wildcats-in-talks-with-chiba-jets-to-play-pre-season-games-against-former-coach-trevor-gleeson-c-15583947|archive-date=5 August 2024}}</ref> During pre-season, the Jets played in an exhibition match against the Perth Wildcats during the Wildcats' tour of Japan.<ref>{{cite web|last=O'Donoghue|first=Craig|url=https://thewest.com.au/sport/perth-wildcats/perth-wildcats-versus-former-coach-trevor-gleeson-set-to-be-a-weird-experience-for-the-new-chiba-jets-boss-c-15903780|title=Perth Wildcats versus former coach Trevor Gleeson set to be a weird experience for the new Chiba Jets boss|work=[[The West Australian]]|date=1 September 2024|url-status=dead|archive-url=https://archive.today/20240901090702/https://thewest.com.au/sport/perth-wildcats/perth-wildcats-versus-former-coach-trevor-gleeson-set-to-be-a-weird-experience-for-the-new-chiba-jets-boss-c-15903780|archive-date=1 September 2024}}</ref>

On 28 May 2025, Gleeson was re-appointed head coach of the Jets for the 2025–26 season.<ref>{{cite news |title=2025-26 シーズン トレヴァー・グリーソンヘッドコーチ契約継続のお知らせ |url=https://chibajets.jp/news/detail/id=23515 |access-date=6 June 2025 |work=chibajets.jp |date=28 May 2025 |language=ja}}</ref>

==National team duties==
[[File:Trevor Gleeson.JPG|thumb|right|upright|Gleeson with the Boomers in 2014|350x350px]]
In June 2014, Gleeson was called up to the [[Australia men's national basketball team|Australian Boomers]] coaching staff for the [[2014 FIBA Basketball World Cup]].<ref>{{cite web | url=http://www.nbl.com.au/article/id/166rvfvdkxa7n1ak5ipao0pges | title=Gleeson to join Boomers at World Cup | work=NBL.com.au | date=24 June 2014 | url-status=dead | archiveurl=https://web.archive.org/web/20140627204130/http://www.nbl.com.au/article/id/166rvfvdkxa7n1ak5ipao0pges | archivedate=27 June 2014}}</ref><ref>{{cite web | last=Robinson | first=Chris | url=http://www.perthnow.com.au/sport/basketball/perth-wildcats-coach-trevor-gleeson-earns-assistant-coaching-role-with-australian-boomers/news-story/bd5d24512f2a3b666e17a204f91fc4c2 | title=Perth Wildcats coach Trevor Gleeson earns assistant coaching role with Australian Boomers | work=PerthNow.com.au | date=24 June 2014 | accessdate=7 March 2017}}</ref> He served as an assistant alongside head coach [[Andrej Lemanis]].<ref>{{cite web | url=http://www.basketball.net.au/wildcats-coach-trevor-gleeson-joins-boomers-world-cup-staff/ | title=WILDCATS COACH TREVOR GLEESON JOINS BOOMERS WORLD CUP STAFF | work=Basketball.net.au | date=24 June 2014 | accessdate=7 March 2017}}</ref> He continued on as Lemanis' assistant in 2015 and 2016, as he was a part of the Boomers' [[2015 FIBA Oceania Championship]] triumph<ref>{{cite web | url=http://www.wildcats.com.au/featured-news/trevor-gleeson-impressed-with-pre-season-progress/ | title=TREVOR GLEESON IMPRESSED WITH PRE-SEASON PROGRESS | work=Wildcats.com.au | date=27 August 2015 | accessdate=7 March 2017}}</ref> as well as their [[Basketball at the 2016 Summer Olympics – Men's tournament|Rio Olympics]] campaign.<ref>{{cite web | url=http://www.wildcats.com.au/featured-news/olympic-dream-three-wildcats/ | title=OLYMPIC DREAM FOR THREE MORE WILDCATS | work=Wildcats.com.au | date=28 July 2016 | accessdate=7 March 2017}}</ref><ref>{{cite web|last=O'Donoghue|first=Craig|url=https://thewest.com.au/sport/perth-wildcats/former-perth-wildcats-coach-trevor-gleeson-on-basketball-life-and-joining-the-dribble-podcast-c-12346357|title=Former Perth Wildcats coach Trevor Gleeson on basketball, life and joining The Dribble Podcast|work=TheWest.com.au|date=28 October 2023|access-date=28 October 2023|url-status=dead|archive-url=https://archive.today/20231028085651/https://thewest.com.au/sport/perth-wildcats/former-perth-wildcats-coach-trevor-gleeson-on-basketball-life-and-joining-the-dribble-podcast-c-12346357|archive-date=28 October 2023}}</ref>

==Personal life==
Gleeson and his wife Dawn have two children, son Taj and daughter Shae.<ref>{{cite web | last=Le Messurier | first=Dani | url=http://www.perthnow.com.au/news/western-australia/wa-mothers-day-classic-fun-run-signs-wildcats-coach-as-ambassador/news-story/0045f63809cffd428f1a3f053091ce8b | title=WA Mother's Day Classic fun run signs Wildcats coach as ambassador | work=PerthNow.com.au | date=20 April 2015 | accessdate=7 March 2017}}</ref> Gleeson met his wife while in the United States coaching the Sioux Falls Skyforce.<ref name="bio"/> While living in Townsville, Dawn was diagnosed with breast cancer. Dawn was cancer free for six years until in 2017 she was informed that her breast cancer had recurred.<ref>{{cite web | url=http://www.wildcats.com.au/perth-wildcats/red-army-turns-pink/ | title=THE RED ARMY TURNS PINK! | work=Wildcats.com.au | date=20 April 2017 | accessdate=20 April 2017}}</ref><ref>{{cite web | url=http://www.wildcats.com.au/featured-news/trevor-gleeson-ready-mothers-day-classic/ | title=TREVOR GLEESON READY FOR MOTHER'S DAY CLASSIC | work=Wildcats.com.au | date=5 May 2016 | accessdate=7 March 2017}}</ref><ref>{{cite web | last=O'Donoghue | first=Craig | url=https://thewest.com.au/sport/basketball/perth-wildcats-inspired-by-dawn-gleesons-cancer-battle-ng-b88637889z | title=Perth Wildcats inspired by Dawn Gleeson's cancer battle | work=TheWest.com.au | date=25 October 2017 | accessdate=26 October 2017}}</ref> As of August 2019, she had been cancer free for 20 months.<ref>{{cite news |title=Breast cancer survivor spreads the word |url=https://thewest.com.au/news/health/breast-cancer-survivor-dawn-gleeson-backs-early-detection-as-key-to-recovery-ng-b881285587z |access-date=7 December 2024 |work=The West Australian |date=9 August 2019 |language=en}}</ref>

In May 2016, Gleeson's brother died in tragic circumstances during a family holiday.<ref name="Santamaria"/>

==References==
{{reflist}}

==External links==
{{commons category}}
*[https://web.archive.org/web/20070901125240/http://www.nbl.com.au/default.aspx?s=newsdisplay&aid=3264 NBL profile (2006)]
*[https://web.archive.org/web/20170225021221/http://www.emmanuel.vic.edu.au/alumni/trevor-gleeson Emmanuel College alumni bio]
*[https://www.youtube.com/watch?v=1Th3d8AByjs 400 NBL games]
*[https://web.archive.org/web/20171115122240/https://www.playersvoice.com.au/trevor-gleeson-mummys-not-going-to-die/#r8MlvBTGdX1ktH1s.97 Gleeson's 2017 PlayersVoice piece]
*[https://thewest.com.au/sport/perth-wildcats/scoring-success-and-three-peats---one-on-one-with-perth-wildcats-championship-coach-trevor-gleeson-ng-b88699865z "One-on-one with Perth Wildcats championship coach Trevor Gleeson"] at thewest.com.au
*[https://thewest.com.au/sport/perth-wildcats/perth-wildcats-coach-trevor-gleesons-journey-of-drive-and-determination-ng-b88755090z "Perth Wildcats coach Trevor Gleeson's journey of drive and determination"] thewest.com.au
*[https://thewest.com.au/sport/perth-wildcats/perth-wildcats-pink-game-how-dawn-and-trevor-gleeson-won-their-greatest-battle-ng-b88994264z "Perth Wildcats Pink Game: How Dawn and Trevor Gleeson got through their greatest battle"] thewest.com.au
*[https://www.standard.net.au/story/5965899/successful-nbl-coach-still-the-boy-named-budsa/?cs=10266 "From Warrnambool to the NBL: How home shaped Perth Wildcats coach Trevor Gleeson"] at standard.net.au

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{{DEFAULTSORT:Gleeson, Trevor}}
[[Category:1968 births]]
[[Category:Living people]]
[[Category:Australian expatriate basketball people in the United States]]
[[Category:Australian men's basketball coaches]]
[[Category:Chiba Jets coaches]]
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[[Category:Seoul Samsung Thunders coaches]]
[[Category:Sioux Falls Skyforce coaches]]
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