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ADST Staff

President – Susan Rockwell Johnson is a career member of the Senior Foreign Service with over three decades of distinguished service and serves as the President of ADST. She served in a broad range of bilateral and multilateral assignments in and out of the State Department including in Bosnia as Deputy High Representative and Supervisor of Brcko District, in the Coalition Provisional Authority in Baghdad as the Senior Advisor to the Iraqi Foreign Ministry, as Deputy Chief of Mission and Charge d’affaires in Romania and Mauritius, IESC Director for Central Asia based in Kazakhstan, as well as in Russia, Cuba, Pakistan, the United States Mission to the United Nations, several assignments in the State Department, on the Hill and with the National Endowment for Democracy. As the elected President of the American Foreign Service Association (AFSA) from 2009 to 2013, Ms. Johnson focused on the Foreign Service labor-management issues key to the Foreign Service. Following her two terms as AFSA President, Ms Johnson was detailed to the American Academy of Diplomacy as a Senior Advisor to provide her expertise and work on the Academy’s recently released report “American Diplomacy at Risk”. She joined ADST in November, 2016.

Prior to entering the Foreign Service, Ms. Johnson worked in the private sector in the areas of strategic planning, international marketing and joint venture negotiation. She has a B.A. in History (Summa cum Laude) from Principia College and an M.A. in International Relations from the Johns Hopkins School of International Studies (SAIS). She is married to Ambassador Riaz M Khan, retired Pakistani diplomat and former Foreign Secretary of Pakistan. She serves on the Boards of the Diplomacy Center Foundation, DACOR and the Chestnut Hill Benevolent Association in Boston, Massachusetts.


Executive Director Jeremy Beer is a career member of the Foreign Service with 16 years of experience in Europe, Central America, the Middle East, and Central Asia.

Prior to working with ADST Jeremy was a Visiting Fellow with the Una Chapman Cox Foundation, a Senior Watch Officer in the State Department’s Operations Center, and Political/Economic Counselor in Sana’a (stationed in Riyadh). Other assignments have included Bern, E Staff, the Bureau of South and Central Asian Affairs, the U.S. Mission to the United Nations in New York, Frankfurt, and San Salvador. Jeremy is a recipient of multiple State Department awards, and a graduate of the State Department’s advanced economics course.

Born and raised in Boulder, Colorado, Jeremy received a B.A. in foreign languages and international affairs from the University of Puget Sound, and an MBA in international finance from Georgetown University. Following graduation, Jeremy served for two years in the United States Peace Corps (Kazakhstan). Jeremy is married to Jessica Beer of Bozeman, Montana, who is an anesthesiology resident at Georgetown University Hospital. Jeremy and Jessica have two sons, Sollie (age ten) and Ethan (age seven). Jeremy speaks French (3+/3), German (3/3+), Spanish (3/3), Russian (2/2), and Arabic (2/0).



Oral History Director – Charles Stuart Kennedy has been director of the Foreign Affairs Oral History Program since its inception in 1985. A career officer in the US Foreign Service from 1955 to 1985, he retired with the rank of Minister Counselor. Mr. Kennedy was consul general in Naples, Italy (1979-81), Seoul, South Korea (1976-79), Athens, Greece (1970-74) and Saigon, South Vietnam (1969-70). He was educated at Williams College (BA) and Boston University (MA). He is the author of The American Consul: A History of the United States Consular Service 1776-1914, and co-author of The U.S. Consul at Work and American Ambassadors in a Troubled World. He was awarded the Foreign Service Cup from the Director General of the Foreign Service in 1997 for his work as an oral historian. In June 2014, the American Foreign Service Association (AFSA) gave him the Award for Lifetime Contributions to American Diplomacy in recognition of his distinguished Foreign Service career and a lifetime of public service. Previous recipients of this prestigious award include George H.W. Bush, Lawrence Eagleburger, Cyrus Vance, Thomas Pickering, George Shultz, and Richard Lugar. In 1986, after retiring from the Foreign Service, Stu became managing director of The George Washington University’s Foreign Service History Center. There he created the Foreign Affairs Oral History Collection and began recording the insights and experiences of American diplomats. The program moved to Georgetown University and then, in 1988, to ADST. In that capacity, he has personally interviewed more than 1,000 retired American diplomats, some of whose careers date back to the 1920s.

Deputy Oral Historian – Mark Tauber completed a career in the U.S. Foreign Service in 2013 divided evenly between political affairs and public diplomacy.  As a Political Officer, Mark worked on refugee issues in Central America, conventional arms control in Europe at the OSCE, and in Armenia, on the Nagorno-Karabakh dispute.  In Public Diplomacy, Mark received Meritorious Honor Awards for his work as a Cultural Officer in Romania and Hungary.  In Costa Rica, as Public Affairs Officer, he expanded Embassy San Jose’s Facebook followers from 2500 to 150,000, began use of Twitter — reaching 10,000 followers in two years, and introduced live streaming of Embassy events.  During his final year as Director of the Office of American Spaces in the State Department, Mark authored an article on the history of American cultural/educational centers. 

Before joining the staff of ADST in 2016, Mark received his teaching certification from the Commonwealth of Virginia in 2014 and served as a volunteer instructor with the Literacy Council of Northern Virginia.  Mark’s degrees are in Diplomatic History (B.S., 1981) and Business Diplomacy (M.S., 1984) from Georgetown University.  He was also awarded a Master’s Degree in National Security Resourcing from the Industrial College of the Armed Forces.  Mark speaks Spanish and French.
Office/Business Manager – Wendy Abuelhawa joined ADST in May 2020. At ADST, Wendy is responsible for day-to-day business management, including financial accounts, membership, tax, payroll and budgetary matters.

Publishing Director – Margery B. Thompson directs ADST’s book-related programs, advises diplomats and others on editing and publishing matters, and coordinates the ADST-DACOR Diplomats and Diplomacy Series. Before joining ADST in 1995, she was director of publications and editor at the Georgetown University Institute for the Study of Diplomacy (ISD) from 1980 to 1994. At ISD she was co-editor and compiler (with Smith Simpson) of Education in Diplomacy: An Instructional Guide (ISD/University Press of America, 1987) and editor of As Others See Us: United States Diplomacy Viewed from Abroad (ISD, 1989) and Beacons: Great Teachers of the Georgetown School of Foreign Service (SFS/Georgetown University, 1994). She collaborated with ISD authors and publishers in the development, editing, and publication of many other ISD books, reports, and monographs and is now doing the same for ADST. Her previous appointments included the Institute of International Education, the Brookings Institution, the University of Pittsburgh Center for Regional Economic Studies, and the Pittsburgh Commission on Human Relations. She was educated at Northwestern University, the University of Pittsburgh, and George Washington University.

Program Officer – Lisa Terry joined ADST in 2018. She is also an editor of ADST’s Memoirs and Occasional Papers Book Series.  She joined the Foreign Service in 2007 and has served as a consular officer in Islamabad, Istanbul, Singapore, Suriname, Estonia, and Manila.  A lifelong lover of history, Lisa has a BA in Classical Archaeology from the University of California at Santa Barbara and an MA in Art History from California State University at Dominguez Hills.  She also did graduate work at Bilkent University in Ankara, Turkey.

 Oral History Program Manager – Heather Ashe joined ADST in February of 2019. She has a M.A. from George Washington University in Museum Studies, with a focus in collections management and interpretation. She received her B.A. from Skidmore College in History and Art History. Heather is originally from Connecticut, where she served as a board member for the Prospect Historical Society and volunteered at its historic sites in her hometown. After relocating to Virginia, Heather has held internships at the Workhouse Prison Museum in Lorton, VA and with the Ichthyology Department at the Smithsonian National Museum of Natural History in D.C. Heather also held a position as an Asian Art Specialist and Cataloger at Oakridge Auction Gallery previous to joining ADST. Heather now resides in Alexandria Virginia and is a lifelong equestrian.


ADST Presidents

Susan R. Johnson, 2016-
Chris Sibilla, 2015-2016
The Honorable Kenneth L. Brown, 2001-2014
The Honorable Edward M. Rowell, 1997-2001
The Honorable Stephen Low, 1992-1997
The Honorable Thomas Boyatt, 1989-1992
The Honorable Richard B. Parker, 1986-1989

ADST Executive Directors

Salvatore A. Amodeo, 2019-
Nathan Holt, 2017-2019
Judith Baroody, 2015-2017
Chris Sibilla, 2012-2015
James Warren, 2011–2012
John Naland, 2010-2011
Vicente Valle, 2009-2010
Les McBee, 2007-2009
Dan Whitman, 2006-2007
Marilyn Bruno, 2006
Jack Zetkulic, 2004-2006
Veda Engel, 2002-2004
LW Koengeter, 2000-2002
John Miller, 1999-2000
Richard Jackson 1998-1999
Dennis Kux 1993-1994
Eugene Bovis 1987-1988