Born 1948 of Farmington, New York, Bridge teacher, writer and Bridge professional since 1976. Won tennis championships in high school and college.
Has had two regular columns in Master Pointers section of the ACBL Bridge Bulletin since 1976 and the Bridge Today since 1988. Author of several books.
Well-known for his development of new conventions and treatments, many of which are in common use. He also assisted with the development of Law of Total Tricks, support doubles and 1 Notrump semi-forcing. Bergen's aggressive preemptive bidding style prompted ACBL to pass the 5-5 rule in 1984.
WBF world master, placed ninth Rosenblum teams 1986, 1990. ACBL grand life master with 12,644 master points as of March 2001, won BAM Teams 1981, 1984; Blue Ribbon Pairs 1983, 1988; Men's Pairs, Life Master Men's Pairs 1983, 1988; Men's Pairs, Life Master Men's Pairs 1983; Spingold 1984, Reisinger Teams 1985, 1991; Life Master Pairs 1988. Some of his second places are GNOT 1979, 1991; Vanderbilt 1983, 1990; Spingold, GNOP 1984; Men's Pairs 1986. Has won more than 60 Regionals. Won Cavendish Invitational twice, has played in other international invitational tournaments.