From Artfixdaily:
... New York businessman and philanthropist Andrew M. Saul, who served as a trustee [of the National Gallery of Art] since 2013, stepped down from the board in June to serve as U.S. Commissioner of Social Security. ...
Since 1994, Andrew M. and Denise Saul have been generous donors to the National Gallery of Art, as well as lenders of art to Gallery exhibitions, including Warhol: Headlines (2011), Jasper Johns: An Allegory of Painting, 1955–1965 (2007), Hudson River School Visions: The Landscapes of Sanford Robison Gifford (2004), Arshile Gorky: The Breakthrough Years (1995), and The Drawings of Jasper Johns (1990). The Sauls have been members of the Collectors Committee since 1994 and were donors to The Exhibition Circle in 2008. Andrew M. Saul served as a member of the Gallery's Trustees' Council from 2006 to 2010 and again since 2012. Based in New York City, the couple―listed among the 200 top art collectors in the world by ARTnews magazine in 2009―has amassed a stellar collection of modern and contemporary art and Chinese porcelains. ...