Professor Dunbar was an American diplomat and Ambassador in the Middle East (1962-1993), President of the Cleveland Council on World Affairs (1993-2001), the U.N. Secretary-General's Special Representative for Western Sahara (1998), and Warburg Professor in International Relations at Simmons College (2001-2004). While living in Cleveland, he taught at Case Western Reserve and Cleveland State Universities and at Hiram College.
Ambassador Dunbar has published scholarly articles and chapters in edited volumes on American foreign policy, the Western Sahara, Yemen, and Afghanistan and is writing a book on Western Sahara. His "op-ed" articles have appeared in The Boston Globe and The Cleveland Plain Dealer. In addition to Western Sahara, his research interests include Afghanistan, Yemen and the Arabian Peninsula, North Africa and post-Cold War United Nations peacekeeping.