The Five Percent

Peter T. Coleman is associate professor of psychology and education at Columbia University, director of the International Center for Cooperation and Conflict Resolution, and on the faculty of Teachers College and The Earth Institute at Columbia. In 2003, he received the Early Career Award from the American Psychological Association, Division 48: Society for the Study of Peace, Conflict, and Violence. He lives in New York.

Peter Coleman profiled on the Earth Institute website

Peter Coleman talks about intractable conflicts at home and abroad

Watch Peter Coleman discuss his new book, The Five Percent

Watch Peter Coleman's webinar on

Watch Peter Coleman discuss The Five Percent at the University of Wisconsin's Institute of World Affairs

Watch Peter Coleman discuss polarization and deadlock in American politics at TedXMiami

The Five Percent was written with major contributions from the faculty of the International Project on Conflict and Complexity:  Robin Vallacher PhD, Andrzej Nowak PhD, LanBui-Wrzosinska PhD, Andrea Bartoli PhD, Larry Liebovitch PhD, Naira Musallam PhD, and Katharina Kugler, PhD


  • September 12, 2011: Book Lecture on The Five Percent. United Nations: UN Interagency Framework Team on Action.
  • September 15, 2011: Book Talk on The Five Percent. Syracuse University
  • September 15th-16th, 2011- Syracuse University
  • September 27th, 2011- Harvard Club
  • October 6th, 2011- UN Interagency Taskforce
  • October 21st, 2011 -The Werner Institute Creighton University
  • October 24th, 2011- American University
  • October 27th, 2011  – U of Colorado, Boulder
  • October 28th- U of Denver
  • November 3rd - Hamline University
  • March 29th –30th Washington University in St. Louis