He is also Chair of the Wexner-Israel and Kokkalis Fellowship programs at the School.
His current teaching and research address the theory and practice of negotiation, emphasizing third-party facilitation and consensus building in domestic and international protracted policy disputes.
He writes about contentious disputes and is completing a book on scenario planning for conflict managers and negotiation practitioners.
Before coming to Harvard, Mandell taught at the Norman Paterson School of International Affairs at Carleton University in Ottawa.
Previously, he was a strategic analyst for the Canadian Department of National Defense, specializing in UN peacekeeping and the implementation of arms control agreements.
A Pew Faculty Fellow and Senior Research Associate at the Kennedy School's Belfer Center for Science and International Affairs, Mandell holds a PhD from the University of Toronto. 

Dr. Mandell teaches private and public sector professionals in executive education programs.
He has trained senior managers from Pfizer, Heinz, Novartis, and Shell.
He has taught negotiation in Greece, Ireland, Israel, Mexico, Singapore, Taiwan,
and throughout the United States to elected officials, senior public servants, and government ministers.