Robert Greenstein

Robert Greenstein (born 1946) is founder and former president of the Center on Budget and Policy Priorities (CBPP), a Washington, D.C. think tank that focuses on federal and state fiscal policy and public programs that affect low and moderate-income families and individuals. For four decades he was considered the capitol's de facto lobbyist for the poor, where he "won countless fights that cumulatively directed hundreds of billions, if not trillions, of dollars to programs for low-income people."

Greenstein was awarded a MacArthur Fellowship in 1996, In 1994, he was appointed by President Bill Clinton to serve on the Bipartisan Commission on Entitlement and Tax Reform. Prior to founding the center, Greenstein was Administrator of the Food and Nutrition Service at the United States Department of Agriculture under President Jimmy Carter. In November 2011, Greenstein was included on The New Republics list of Washington's most powerful, least famous people.