Well, to make a long story short, Dan Snyder is Jewish!
Since Dan Snyder's mother is Jewish, and in Judaism one's religion is based on one's mother's religion, then that makes him also Jewish. His father is Jewish too.
Dan Snyder (who's full birth name is Daniel Marc Snyder) was born on November 23, 1964 in Silver Spring, Maryland.
Snyder is a businessman who is the owner of the Washington Football Team, formerly known as The Washington Redskins, playing in the National Football League (NFL). Snyder became the youngest franchise owner in NFL history when he purchased the team in 1999.
If you see any details that require update, please Let us know!