Ruth Wageman is Director of Research for Hay Group and Visiting Scholar in the Department of Psychology at Harvard University. Professor Wageman received her PhD from Harvard in 1993; she received her bachelor’s degree in Psychology from Columbia University in 1987, and returned there to join the faculty of the Graduate School of Business, making her the first female alum of Columbia College to join Columbia’s faculty. She also has been a member of the faculty of the Tuck School of Business at Dartmouth. Her research, teaching, and consulting interests include the design of effective leadership teams, the theory and practice of leadership development, and the effectiveness of self-organizing teams with civic and political purposes.