Marty Bergen first became established in the 1980's whe he, and his partner Larry Cohen, began winning everything in sight. His innovative (and sometimes controversial) ideas established him as an important theorist of that era. After winning 10 national championships Marty retired from tournament bridge. His contributions to bidding theory include the DONT defense to 1NT, Bergen Raises and spreading the word about 'The Law of Total Tricks'.
- with Tim Bourke