Jarrett Matthew Jack (born October 28, 1983) is an American professional basketball coach and former player who is currently an assistant coach for the Phoenix Suns of the National Basketball Association (NBA). He attended four high schools in North Carolina, Maryland and Massachusetts before playing collegiately at Georgia Tech. He was selected with the 22nd overall pick in the 2005 NBA draft by the Denver Nuggets, before playing with the Portland Trail Blazers, Indiana Pacers, Toronto Raptors, New Orleans Hornets, Golden State Warriors, Cleveland Cavaliers, Brooklyn Nets, New Orleans Pelicans, and New York Knicks.