Michael Rosenberg (born March 7, 1954) is an American bridge player. Rosenberg was born in New York City, moved to Scotland as a child, and returned to New York in 1978. He lived in New York State with his wife Debbie, also a top player, from 1995 until 2011 when the couple moved to Northern California.Michael won the 1994 Rosenblum Cup, the 2017 Bermuda Bowl, and the 2018 World Mixed Teams Championship. As of 2007 he has won fourteen North American championships, as well as multiple wins in the major invitational tournaments. He has also won the World Bridge Federation (WBF) Par competition in 1998, a test of declarer play skill, and is known for his advocacy of a high standard of ethical behavior for players. He is known as "The expert's expert" for his encyclopedic knowledge of cardplay techniques, and a frequent contributor for The Bridge World.