Since its inception, the center has assembled a group of high-profile senior fellows, among them, Lawrence Korb, Assistant Secretary of Defense under President Ronald Reagan; Gene Sperling, Director of the National Economic Council under Presidents Bill Clinton and Barack Obama; Ruy Teixeira, political scientist and author of "The Emerging Democratic Majority"; and, most recently, former Senate Minority Leader Tom Daschle and Elizabeth Edwards, late wife of former presidential candidate and former U.S. Senator from North Carolina John Edwards. Sarah Rosen Wartell, a co-founder and executive vice-president of the center, has been named President of the Urban Institute