Career
He started playing bridge as a student at the Trinity University in San Antonio, Texas, alongside Bobby Wolff, but afterwards focused on a career in business. He returned to competitive bridge in 1980s, when he started gaining successes, which include titles in Grand National Teams (1986), the Spingold Knockout Teams (1991) and three Vanderbilt Knockout Teams (1994, 1996 and 2006). Deutsch was 2007 recipient of Sidney H. Lazard Junior.
Sportsmanship Award.
ACBL Hall of Fame player Zia Mahmood told The New York Times at the time, "There are a few people about whom never a bad word is said. Seymon is one of them". Deutsch was born and spent most of his life in Laredo, Texas.
He ran a fashion store chain, Joe Brand, as well as a cattle ranch with large operation in South Texas.
Wins Runners-up North American Bridge Championships Silodor Open Pairs (1) 1995 Vanderbilt (2) 1990, 1991 Spingold (1) 1993.