"Former faculty member of Cornell University’s Department of Government, East Asia Program and Peace Studies Program; recipient of Fulbright-Hays Faculty Research, SSRC-MacArthur Foundation Fellowship for Peace and Security in a Changing World, Smith Richardson Foundation grant, and East West Center fellowship; was visiting professor at Seoul National University, research professor at Yonsei University, visiting scholar at MIT and visiting fellow at University of California, Irvine; was a reporter in New York City; holds a Ph.D. and Master in political science from University of Pennsylvania and a B.A. in physics from the University of Chicago." 
- Steering Committee, Alliance for Scholars Concerned About Korea
- Advisory Committee, Foreign Policy In Focus 
Power, Interest and Identity in Military Alliances (2007); Rethinking Security in East Asia: Identity, Power and Efficiency, co-editor (2004); American New World Order After the Cold War, co-editor (1996, in Korean); “North Korean Nuclear Crisis as a Security Dilemma,” “The Imbalance of Power, the Balance of Asymmetric Terror: Mutual Assured Destruction (MAD) in Korea,” “Changes in U.S. Military Strategy and the U.S.-Korea Alliance,” “The Two-Wars Doctrine and the Regional Arms Race: Contradictions in U.S. Post-Cold War Security Policy in Northeast Asia,” “War-Like History or Diplomatic History? Historical Contentions and Regional Order in East Asia,” other articles and book chapters; frequent contributor on Korean politics, North-South Korea relations, U.S.-Korea relations to Pressian, Han’gyore, and others.