Sid Lapidus retired at the end of 2007 as a partner of Warburg Pincus LLC, one of the country’s leading private equity firms. He currently serves on the board of directors of Lennar Corporation, one of the nation’s largest homebuilders; Knoll Inc., a leading manufacturer of office furniture; and the Neiman Marcus Group, Inc., one of the largest upscale retailers. Sid is a former trustee of UJA-Federation of New York and former chair of its Network Commission. He is on the board of FOJP Service Corp. and chair of its affiliate, Network Advantage Insurance Ltd., the offshore insurance captive for the UJA-Federation agencies. Sid is active in and on the board of many non-profit organizations concerning American history, including the New-York Historical Society and the American Antiquarian Society. He is also co-chair of the American Jewish Historical Society, and a trustee of New York University Langone Medical Center. Besides being an avid skier in Vail, Colorado, Sid’s principal avocation is collecting British and American books and pamphlets of the 17th and 18th centuries pertaining to politics and economics, and the expansion of liberties for Americans and Jews. Sid is a graduate of Princeton University, where he majored in American History, and Columbia University Law School. He and his wife, Ruth, live in Harrison, New York. They have three married children and six grandchildren.