- 1999-present – Director, Regional Center Mostar, Mission to Bosnia and Herzegovina of the Organization for Security and Cooperation in Europe (OSCE), responsible for OSCE role in implementation of Dayton peace accords in southern Bosnia and Herzegovina, including human rights, democratization, elections,implementation and compliance with election results, and regional military stabilisation
- 1988-1999 – Editorial Manager of The Kiplinger Washington Letters and Member of the Board of The Kiplinger Washington Editors, Inc. Also editor for foreign and national security affairs
- 1987-1988 – Special Coordinator for the Soviet Union and Eastern Europe, Department of State, Washington (appointed by Secretary of State to provide senior coordination of efforts to deal with operating problems at American embassies in Moscow and in eastern and central European capitals)
- 1985-87 – American Ambassador to Malta
- 1983-85 – Senior Deputy Assistant Secretary of State, then Acting Assistant Secretary of State for Human Rights and Humanitarian Affairs, Dept. of State, Washington
- 1982-83 – Member, Senior Seminar, Dept. of State, Washington (most advanced professional development program for senior civilian and military officers of U.S. Government
- 1982 – Executive Assistant to the Deputy Secretary of State
- 1981-82 – Executive Assistant to the Under Secretary of State for Political Affairs
- 1977-81 – Officer-in-Charge, Multilateral Political Relations, Office of Soviet Union Affairs, Dept. of State; concurrently special assistant to Secretary of State’s Special Advisor on Soviet Affairs
- 1976-77 – Director of International Business Development for State of Missouri and Special Assistant to the Governor of Missouri (established and directed state’s first overseas trade and development office)
- 1973-1976 – Deputy Consul General and Political/Economic Officer, American Consulate General, Leningrad, U.S.S.R. (responsible for setting up operations as post officially opened)
- 1972-73 – Deputy and then Province Senior Advisor, Thua Thien province and city of Hue, Republic of Vietnam (responsible for military and civil advisory support and programs during period of sustained military actions and combat operations)
- 1971-72 – Assistant Province Advisor for Pacification, Quang Nam province, Republic of Vietnam
- 1969-71 – Political Officer, Multilateral Political Relations, Office of Soviet Union Affairs, Dept. of State
- 1968-69 – Columbia University, NYC (Russian and East/Central European studies)
- 1967-68 – Deputy Principal Officer and Political/Economic Officer, American Consulate, Poznan, Poland
- 1966-67 – Consular Officer, American Embassy, Warsaw, Poland
- 1964-66 – State Department Operations Center Watch Officer, and Polish language training
- 1962-64 – American Embassy Bonn, Germany (rotational officer)
- 1961 – Commissioned Foreign Service Officer