Montana Tech After a season as a graduate assistant at
Michigan State, Sampson was hired in 1980 as an assistant coach at
Montana Tech (of the
NAIA) in
Butte. During that first season, he was promoted to interim head coach of the
Orediggers in January, and was soon named head coach. The coach of the year in the
Frontier Conference twice (1983, 1985), he was also Tech's
athletic director.
Washington State After five years at Montana Tech, Sampson joined the staff of third-year head coach
Len Stevens at
Washington State University in June
1985, replacing
Stu Jackson as assistant coach. Two years later in early April
1987, Stevens left the
Palouse for
Nevada; after a week, Sampson was promoted to head coach at age 31, with a two-year contract and a base salary of $42,500 per year. When he led the Cougars to the
NIT in
1992, it was Washington State's first postseason appearance in
nine years. Sampson was named Kodak District 14 Coach of the Year by the NABC for the second time in three years; he first won it in
1991 when the Cougars produced their first winning season since
1983. Sampson was also named
Pac-10 Coach of the Year in 1992. In his final year in
Pullman in
1994, he led WSU to their first
NCAA tournament berth in eleven years. With records of 22–11 in 1992 and 20–11 in 1994, Sampson became one of only four men to win twenty or more games in a single season in Washington State history; he finished with a 103–103 record in his seven seasons as head coach.
Oklahoma Sampson became the 11th head coach at the
University of Oklahoma on April 25, 1994. Sampson was named national coach of the year in 1995 (his first year at OU) by the
Associated Press,
United States Basketball Writers Association and Basketball Weekly after guiding the Sooners to 23–9 overall and 15–0 home marks. It was the second-best overall record posted by a first-year coach in
Big 8 history. The University of Oklahoma is where Sampson earned his nickname "Mr. Blue Shirt" as he only wore blue dress shirts when he coached.
Indiana On March 29, 2006, Sampson was named the head coach at
Indiana University following the resignation of
Mike Davis. Sampson was the second minority coach in the history of the Hoosier basketball program behind Davis. Upon taking the reins of the
Indiana Hoosiers he noted, "I love my job at Oklahoma and I would not leave OU for any job unless it was a job like Indiana. My family and I have had 12 great years at Oklahoma, the best years of our life, but Indiana is one of the great programs in college basketball and if they call and offer, it is a job as a coach that you have to take." On February 22, 2008, Sampson was forced to resign due to allegations of serious NCAA violations, which included sending text messages to recruits, something that was against NCAA rules between 2007 and 2013. As a result of these allegations, Sampson received a five-year
show-cause penalty. See NCAA violations section below.
NBA On March 8, 2008, Sampson was hired in an advisory role by the
San Antonio Spurs, before accepting a role on May 14, 2008, as assistant coach of the Bucks under
Scott Skiles. In 2011, he became an assistant coach with the
Houston Rockets before returning to the
NCAA in 2014.
Houston Cougars Following the expiration of the five-year show cause penalty, the Houston Cougars hired Sampson to coach the men's basketball team on April 2, 2014. Sampson was instrumental in Houston's push to raise funds to build a $25 million practice facility in 2016 and a $60 million renovation to Hofheinz Pavilion (renamed the
Fertitta Center) in 2018. Sampson led Houston to the NIT in his second and third seasons. In 2018, Houston posted its first Top 25 finish since 1984 and won its first NCAA tournament game also since 1984. In 2019, the Cougars won a school-record 33 games, only the fourth 30-win season in school history. They also advanced to the Sweet Sixteen, their deepest run in the tournament since advancing all the way to the national championship game in 1983 and 1984. prior to
Houston's 2025 Final Four win against
Duke at the
Alamodome. In 2021, Sampson led Houston to its first conference tournament crown since 2010. In the NCAA Tournament the Cougars, who became the first team to play four schools seeded tenth or higher, defeated Oregon State to advance to the Final Four for the first time since 1984. Sampson became the fifteenth coach to have reached a Final Four again after a gap of over ten years, having last reached the Final Four in 2002 (only
Ray Meyer,
Lon Kruger, and
Lou Henson had a longer gap between Final Four appearances). In 2022, Sampson's Cougars overcame season-ending injuries to two key players to win both the regular-season American Athletic Conference crown and the conference tournament and proceeded to advance to the Elite Eight in the NCAA Tournament. They finished with a record of 32–6 and a ranking of #7 in the Coaches Poll, and Sampson was voted AAC Coach of the Year for the third time. In 2025, Sampson's Cougars were a #1 seed entering the NCAA tournament. After reaching the Final Four, the Cougars pulled a stunning upset of heavily favored Duke. Down 45–59 with eight minutes left, the Cougars ended the game with a 25–8 run, defeating Duke by a score of 70–67, and setting up a clash against Florida for the championship. They went on to lose to Florida, 63–65. Sampson is currently the second-winningest coach in UH history, behind only Hall of Famer
Guy Lewis. ==NCAA violations==