Bergen (born April 21, 1948) is an American bridge player and writer.
A ten-time national champion and American Contract Bridge League Grand Life Master, he retired from active competition in 1993.
He is still a bridge writer and is a World Bridge Federation World International Master.
He is from Farmingdale, New York.Bergen is a columnist in the monthly ACBL Bridge Bulletin since 1976.
He has also written 19 bridge books, two of which won the ABTA Bridge Book of the Year award, Points Schmoints!: Bergen's Winning Bridge Secrets in 1996 and Declarer Play the Bergen Way in 2005.
Bergen is known for his development of new conventions and treatments, including DONT and Bergen raises.