Brian Keefe was born in Winchester, Massachusetts. As a high-school shooting guard, he was Winchester High School's all-time leading scorer, averaging 28 points a game, with his record of 1,163 points standing for 24 years before it was broken in 2018. Keefe was inducted in the Winchester Sport Foundation Hall of Fame in 2004. Keefe began his collegiate playing career at UC Irvine, where he was appointed team captain as a sophomore and named All-Big West Second Team in 1995-96 after leading the team in scoring. After transferring to UNLV for his final two seasons, Keefe helped the Running Rebels win the Western Athletic Conference Tournament and earn an NCAA berth. He was named to the WAC All-Tournament Team after making a tournament-record 13 three-pointers. During his senior season in 1998-99, Keefe was named team captain and helped lead UNLV to an NIT appearance.
Coaching career
Early Career Keefe began his coaching career as a graduate assistant at the University of South Florida for the 2000-01 season before he was tapped to be assistant coach to Max Good at Bryant University in Smithfield, R.I. for four seasons. In his final season, he helped the Bryant Bulldogs earn a trip to the Division II Championship in 2005. NBA Career Keefe started his career in professional basketball at the San Antonio Spurs where he served as video coordinator under head coachGregg Popovich, and won a ring as part of the Spur's 2007 championship in his second season. Keefe was selected by former Spurs assistant GM Sam Presti and former Spurs assistant coach PJ Carlesimo to join them in laying the groundwork for what would become the Oklahoma City Thunder. He joined the team as assistant coach on August 23, 2007, when the team was still the Seattle SuperSonics. He became the performance lead for the team, with responsibility for the development of the team's young roster including their draft picks Kevin Durant, Russell Westbrook and James Harden. All three went on to become MVPs of the league. In 2010, Keefe became the Thunder's defensive coordinator. After 7 years with the Thunder, Keefe joined the New York Knicks as assistant coach under head coach and former Thunder player Derek Fisher and team president Phil Jackson, where he focused on defense and the development of then-rookie Kristaps Porzingis. In August 2016, Keefe was recruited to join the Los Angeles Lakers coaching staff as an assistant coach under head coach Luke Walton, and became the team's defensive coordinator in 2017. Keefe was sought after for his ability to develop players into top talent and became responsible for the development of the team including Brandon Ingram. In his first year as defensive coordinator of the Lakers, Keefe took the team to 12th place in defense; the team finished 30th in defense the previous year. In July 2019, Keefe rejoined the Oklahoma City Thunder coaching staff as assistant coach under head coach Billy Donovan.
