John Warren "Jack" Marin (born October 12 1944, in Sharon, Pennsylvania) is a retired American professional Basketball player. A 201 cm (6-foot, 7-inch) guard/forward from Duke University, Marin was named to the 1967 NBA and spent 11 seasons in the NBA (1966-1977), playing for the Baltimore Bullets, Houston Rockets, Buffalo Braves and Chicago Bulls. The left-handed Marin was a two-time NBA and scored 12,541 points in his career. He is perhaps most remembered for being traded to the Houston Rockets (along with future considerations) for Elvin Hayes.
After retiring from the NBA, Marin entered Duke University and graduated with his Juris Doctor in 1980. Presently (2006), he is a partner in the Richmond, Virginia-based law firm of Williams Mullen where he focuses his practice on Sports law. He acts as outside counsel to the National Basketball Retired Players Association, and also represents basketball players performing abroad.
Marin served for three years (1998-2000) as the executive director of the Celebrity Players Tour, a professional golf circuit for notable ex-pro athletes and entertainers. During his tenure, the tour grew from five to 15 events that support various charities around the country. He has been a playing member and has served on its board of directors.Marin currently is active with the United States Wounded Warrior Program at the Marine Corps Base, Camp Lejeune, North Carolina. He teaches Golf and other sports activities to United States Marines who have severely wounded in combat.
Marin has been elected to the North Carolina, Pennsylvania and Duke Sports halls of fame. He currently serves on the Be Active North Carolina Campaign Cabinet.