American chess player
According to Wikipedia, Gata Kamsky is a Soviet-born American chess grandmaster, and a five-time U.S. champion. Kamsky reached the final of the FIDE World Chess Championship 1996 at the age of 22, and reached a ranking of fourth in the world rankings in 1995. He played almost no FIDE-rated games between 1997 and late 2004.
Gata Kamsky is affiliated with the following schools: