Gail Harte Greenberg (born 29 Nov 1938) is a professional American bridge player from New York City.
She has won five world championships as a member of USA women teams including four from 1976 to 1984.
Greenberg was Inducted into the ACBL Hall of Fame in 2013[5] as a recipient of the von Zedtwitz Award.
In 1981–2 and 1983, she took part in Grand Slam, two televised matches between teams representing the US and Britain, arranged by the BBC.
The 1983 match was featured in a book that described her thus:[6]Gail Moss ... sometimes strays from orthodox ... Gail Moss is decidedly lively in her defensive play, always looking for the chance to attack, but there is the impression ... that Jackie Mitchell [sic] has tempered her partner's exuberance with some sharp reproofs.