For the People: Can We Fix Public Service? 2003 HKS Authors See citation below for complete author information. David Gergen Public Service Professor of Public Leadership, Retired Citation Gergen, David, and Barbara Kellerman. "Public Leaders: Riding a New Tiger." For the People: Can We Fix Public Service? Ed. John D. Donahue and Joseph S. Nye, Jr. Brookings Institution, 2003.