Joel Collier (born December 25, 1963) is an American football executive who is the director of pro personnel for the Atlanta Falcons of the National Football League. He is the son of Joe Collier, a former defensive coordinator for the Denver Broncos and New England Patriots and head coach of the Buffalo Bills. Collier attended the University of Northern Colorado, where he played football as a linebacker from 1984 to 1987. He was also an academic All-North Central Conference selection. After his two-year stint at Syracuse, Collier moved to the NFL for the 1990 season as an offensive assistant with the Tampa Bay Buccaneers. In 1991, he re-joined MacPherson, then head coach of the Patriots, as an assistant running backs and wide receivers coach until 1992. In 1993, he entered the Patriots' scouting department as a pro scout. From 1994 to 1997, Collier served as a defensive assistant for the Miami Dolphins. In 1998, he became the Dolphins' running backs coach, a position he held until 2004. Prior to the Patriots' 2005 season, he was hired as their secondary coach. He was not retained by the Patriots following their 2007 season. In February 2009, he was hired by Kansas City Chiefs general manager Scott Pioli, a former executive for the Patriots, as assistant general manager. He remained as the Chiefs assistant general manager until Andy Reid turned over most of the staff.