said was a great asset when things were going poorly in the campaign and in Katz's personal life. Tierney is a member of numerous boards of directors in the Philadelphia area. He has been on the boards of Thomas Jefferson University, the Zoological Society of Philadelphia, and the University Museum of the University of Pennsylvania, among others. A member of the board for NutriSystem, Tierney played an important role in the company's turnaround with the decision to dramatically increase the marketing budget. As a member of the board of the Episcopal Academy, Tierney galvanized the board of directors to buy land in Newtown Square, Pennsylvania, and move the school there. In 2001, the school's board of trustees approved the preliminary step of buying of farmland in Newtown Square. Tierney, along with fellow board member Brian O'Neill, led a ninety-day campaign to raise the US$20 million needed for the property. He is a member of both the American Academy of Arts and Sciences and the American Philosophical Society. The Pennsylvania Report named him to the 2009 "The Pennsylvania Report 100" list of influential figures in Pennsylvania. In 2002, he was named to the PoliticsPA list of politically influential individuals. In 2003, he was named the PoliticsPA list of politically influential individuals, where he was called a "potential statewide candidate in 2004." Notes a. Date based on news reports giving his age as 27 in 1984, 37 in 1994 and 49 in 2006. References 1957 births Living people American chief executives Episcopal Academy alumni Members of the American Philosophical Society The Philadelphia Inquirer people University of Pennsylvania alumni Widener University alumni