The Marcy and Leona Chanin Foundation is a private foundation based in the state of Florida. Marcy Chanin, who is now deceased, was the president of Chanin Management, Inc., based out of New York, New York. Chanin Management specialized in the building of the art-deco stylized structures like the Chanin Building. Chanin Management also pioneered one of the nation’s first large malls.  Leona Chanin, Marcy Chanin’s widow, serves on board of the Hunter College Foundation and runs the Chanin Foundation today. The Marcy and Leona Chanin Foundation is primarily active in Jewish philanthropy and the support of non-profit groups, some of which are left-of-center advocacy organizations. 
The Chanin Foundation supports a myriad of left-of-center organizations in the United States. The Chanin Foundation supports groups like the University of California, Doctors without Borders, Habitat for Humanity, Planned Parenthood, the Southern Poverty Law Center, COPWatch, Natural Resources Defense Council, World Wildlife Fund, the American Civil Liberties Union, and the Jewish Federation of Palm Beach County. 
Marcy Chanin was the son of Irwin S. Chanin, an architect and builder in New York City. In 1988, Marcy took over Chanin Management after his father died.
Chanin retired shortly thereafter and was a prominent member of the American Jewish Congress in New York. In 1997, Marcy Chanin passed away. Mr. Chanin provided initial funding to form the Leona and Marcy Chanin Language Center at Hunter College in New York City. Chanin was also President of Chanin Management and the Chanin Construction Company. Chanin is listed as the founder of the Albert Einstein College of Medicine.