Named to the NBA All-Rookie Team with the Warriors, Jamison was a two-time All-Star and won the NBA Sixth Man of the Year Award in 2004. He was a member of the United States national team in 2006. Upon his retirement from the NBA, he worked as an analyst for Time Warner Cable SportsNet and as a scout for the Los Angeles Lakers before being hired by the Washington Wizards as their director of pro personnel in 2019.