The brother of former Mavericks star Jay Vincent, Sam won the coveted Mr. Basketball for the state of Michigan, in 1981. Like his brother, he attended Michigan State University where he became a Sporting News All-American his senior season.
He was selected in the first round of the 1985 NBA Draft by the Boston Celtics where, as a rookie, he was a member of their NBA Championship team. He had a seven year playing career with additional stops in Seattle, Chicago and Orlando.
After his playing career, Vincent went into coaching and led teams in Greece, Nigeria and The Netherlands. He helped lead the Nigerian women's team, during the 2004 Summer Olympics, to a win over South Korea which was the first ever victory by an African nation in Olympic women's basketball.
Vincent stayed actively in the States as well serving as Head Coach and Director of Basketball Operations for the Mobile Revelers of the NBA Development League. He joined the Mavs as an assistant for only one season before being named Head Coach of the Charlotte Bobcats in 2007. In his one and only season there he led the team to 32 wins.
He returned to the D-League for a short stint as coach of the Anaheim Arsenal of the D-League. Today, Vincent is Vice President of an organization that specializes in the identification and development of retired NBA players that have an interest in international coaching. He also works closely with the National Basketball Retired Players Association.