Ambassador Jeffrey DeLaurentis

Distinguished Resident Fellow in Latin American Studies
SFS Centennial Fellow

JeffAmbassador Jeffrey DeLaurentis joins ISD after a year at the Harvard Kennedy School as a Senior Diplomatic Fellow with the Future of Diplomacy Project. A 27-year veteran of the Foreign Service, he served as the first Chargé d’Affaires at the U.S. Embassy in Havana following the re-establishment of diplomatic relations between the United States and Cuba. Prior to taking up his Cuba post in August 2014, he was the Alternate Representative for Special Political Affairs at the U.S. Mission to the United Nations. Previously, he served as Deputy Assistant Secretary of State for the Bureau of Western Hemisphere Affairs, and as Minister Counselor for Political Affairs and Security Council Coordinator at the U.S. Mission to the United Nations.

Ambassador DeLaurentis began his State Department career in 1991 as a consular officer in Havana, and returned to Cuba as Political-Economic Section Chief in 1999-2002. In Washington, he served as Executive Assistant to the Under Secretary of State for Democracy and Global Affairs, Special Assistant to the Assistant Secretary of State for Western Hemisphere Affairs, and Director of Inter-American Affairs at the National Security Council. He is a graduate of the Georgetown University School of Foreign Service and Columbia University Graduate School of International and Public Affairs.


AMBASSADOR John A. Heffern

Distinguished Resident Fellow in Social Entrepreneurship and Diplomacy
Beeck Center Fellow

HEFFERNAmbassador John Heffern joined Georgetown’s Institute for the Study of Diplomacy as a Senior State Fellow in September 2017. His focus at Georgetown in 2018-2019 will be diplomacy and social entrepreneurship, including work to connect US-based organizations and their fellows with partners overseas in the governmental and non-governmental sectors. Prior to coming to Georgetown, Heffern served as Acting Assistant Secretary for European and Eurasian Affairs. Previously, he served as U.S. Ambassador to Armenia from 2011-2014, Deputy Chief of Mission (DCM) at USNATO in Brussels, Belgium; DCM in Jakarta, Indonesia; and Executive Assistant to the Under Secretary for Political Affairs. Heffern also served in Tokyo, Japan; Kuala Lumpur, Malaysia; Abidjan, Ivory Coast; and Guangzhou, China. After a 36-year Foreign Service career, Heffern retired from the State Department in 2018.

From 1994-1996, Heffern was a Pearson Fellow on the Asia Subcommittee for the House International Relations Committee. Prior to entering the Foreign Service, Heffern served in the office of Senator John C. Danforth (R-MO) as the Senator’s Office Director and Research Assistant. Heffern is a native of St. Louis, Missouri, and received a B.A. from Michigan State University.

Ambassador Linda Thomas-Greenfield

Distinguished Fellow in African Studies

LINDAAmbassador Linda Thomas-Greenfield is the inaugural Distinguished Resident Fellow in African Studies at the Institute for the Study of Diplomacy at Georgetown University. She joined ISD in spring 2017 as a Senior State Department Fellow.

Ambassador Thomas-Greenfield retired in 2017 after a 35-year career with the U.S. Foreign Service. From 2013 to 2017 she served as the Assistant Secretary for the Bureau of African Affairs, where she led the bureau focused on the development and management of U.S. policy toward sub-Saharan Africa. Prior to this appointment, she served as Director General of the Foreign Service and Director of Human Resources (2012-2013), leading a team in charge of the State Department’s 70,000-strong workforce.

Ambassador Thomas-Greenfield’s distinguished Foreign Service career includes an ambassadorship to Liberia (2008-2012), and postings in Switzerland (at the U.S. Mission to the United Nations), Pakistan, Kenya, The Gambia, Nigeria, and Jamaica. In Washington, she served as Principal Deputy Assistant Secretary of the Bureau of African Affairs (2006-2008), and as Deputy Assistant Secretary of the Bureau of Population, Refugees and Migration (2004-2006).

Ambassador Philip S. Goldberg

Senior State Department Fellow

AMBASSADOR PHILIP S. GOLDBERGPhilip S. Goldberg has served as U.S. Ambassador to the Philippines and U.S. Ambassador to Bolivia, Chief of Mission in Kosovo, and Assistant Secretary of State for Intelligence and Research. Other overseas assignments include Chile, Colombia, and South Africa. Most recently, he served as Chargé d’Affaires in Cuba.

Ambassador Goldberg’s Washington assignments include Coordinator for Implementation of UN sanctions on North Korea; acting Deputy Assistant Secretary of State for Legislative Affairs; Executive Assistant to Deputy Secretary Strobe Talbott, and Bosnia Desk Officer and Special Assistant to Ambassador Richard Holbrooke. He was a member of the American negotiating team at the Dayton Peace Conference on Bosnia.

Ambassador Goldberg, a Career Minister in the U.S. Foreign Service, has received numerous Presidential, State Department and Intelligence Community awards. He is a graduate of Boston University.


Ambassador Mark C. Storella

Senior State Department Fellow

AMBASSADOR MARK C. STORELLAAmbassador Mark C. Storella served as Deputy Assistant Secretary of State for Population, Refugees and Migration (2016-2018), overseeing $2.0 billion in humanitarian assistance in the Middle East, Africa, and Asia. His previous post was as Deputy Chief of Mission in Belgium (2013-2016). As Ambassador to Zambia (2010-2013), he led innovative programs focusing on development, health, and democracy. Ambassador Storella was Deputy Permanent Representative to UN organizations in Geneva (2007-2009) and Deputy Chief of Mission in Cambodia (2003-2006).

Ambassador Storella graduated from Harvard College magna cum laude and holds a master’s degree from the Fletcher School of Law and Diplomacy. He taught courses on humanitarian intervention at Georgetown’s School of Foreign Service and has published articles on such diverse topics as global health diplomacy, multilateral arms control and humanitarian action in conflict situations.




Senior Non-Resident Fellow

uzraUzra Zeya is a Consultant at Albright Stonebridge Group, where she draws on over two decades of diplomatic experience in Near East, South Asian, European, human rights, and multilateral affairs. As Chargé d’Affaires and Deputy Chief of Mission at U.S. Embassy Paris from 2014 to 2017, she oversaw the day-to-day operations of Embassy Paris, six constituent posts, and 50 offices and agencies engaged in U.S. government work.

Ms. Zeya served previously as Acting Assistant Secretary and Principal Deputy Assistant Secretary in the Bureau of Democracy, Human Rights, and Labor, from 2012 to 2014. Since joining the Foreign Service in 1990, Ms. Zeya served in New Delhi, Muscat, Damascus, Cairo, and Kingston. As Chief of Staff to the Deputy Secretary of State from 2011 to 2012, she helped shape the U.S. response to the Arab Spring and deepened U.S. engagement with emerging powers. She also served as Deputy Executive Secretary to the Secretary of State, as Director of the Executive Secretariat Staff, and as UN General Assembly Coordinator. She is the recipient of the Légion d’honneur, France’s highest civilian honor, and 15 Superior Honor and Senior Performance Awards. A graduate of the Georgetown University School of Foreign Service, she speaks French, Arabic, and Spanish.



Non-Resident Fellow

arsalanArsalan Suleman is the former Acting U.S. Special Envoy to the Organization of Islamic Cooperation (OIC). In that role Suleman was President Obama’s representative to the 57-member OIC, the second largest intergovernmental organization after the United Nations. Suleman liaised with foreign ministers of OIC member countries, represented the United States at four OIC heads-of-state Summits, and established collaborative relationships with government officials from nations in Europe, the Middle East, Africa, South and Central Asia, and Southeast Asia. He engaged with the OIC, OIC member countries, and relevant civil society on a broad range of foreign policy issues, establishing partnerships in areas of mutual interest such as human rights, countering violent extremism, health, education, entrepreneurship, and science and technology. Suleman delivered remarks and engaged with leaders, officials, students, and publics around the world.



Roland McKay

Rusk Fellow

ROLAND MCKAYRoland McKay is a career Foreign Service Officer with the Department of State. His previous overseas assignments include serving as an economic officer in Sana’a, Yemen, consular officer in Istanbul, Turkey, and political officer with the Syria Transition Assistance Response Team based in Turkey. In Washington, he served on the Lebanon desk in the State Department’s Bureau of Near Eastern Affairs and as a special assistant to Secretary of State Rex Tillerson. Before joining the Foreign Service, Roland studied Arabic in Damascus, Syria on a Fulbright fellowship. He received his B.A. from Macalester College and an M.A. in Middle Eastern Studies from the University of Michigan. He is a term member of the Council on Foreign Relations.




Caroline Savage

Rusk Fellow

CAROLINE SAVAGECaroline Savage is a career Foreign Service Officer, most recently serving as Public Affairs Officer at the U.S. Embassy in Azerbaijan. Previously, she served as the Public Affairs Officer at the U.S. Embassy Mozambique, Director for Russia and Central Asia on the National Security Council, Political-Military Officer in the U.S. Department of State’s Office of Russian Affairs, Public Affairs Officer and Consul at the U.S. Embassy Belarus, and Political Officer and Vice Consul at the U.S. Embassy Luxembourg.

She received her BSFS from Georgetown University’s Edmund A. Walsh School of Foreign Service in 2001, before pursuing a master’s degree in comparative studies and a master’s degree in political science from the University of Wisconsin-Madison. Ms. Savage speaks English, Russian, French, Portuguese, and Azerbaijani.



Colonel Steven T. Barry

Army War College Fellow

COLONEL STEVEN T. BARRYColonel Steven T. Barry comes to Georgetown as an Army War College Fellow from the Pentagon’s Joint Staff, (J5), Strategy, Plans, and Policy. His key past assignments include commanding the 1st Cavalry Regiment’s 2nd Squadron at Fort Carson, Colorado; supervising personnel actions for all Armored Cavalry Colonels; serving as a squadron executive officer in Mosul, Iraq for 3rd Squadron, 7th Cavalry Regiment; and commanding C Company, 4th Battalion, 64th Armor during the attack to seize Baghdad in Operation Iraqi Freedom, and Headquarters Company, 4-64 AR in Fallujah. Colonel Barry has a PhD and MA in history from Ohio State University and served as an assistant professor of history at West Point.




Lieutenant Colonel Conrad Jakubow

Army War College Fellow

LIEUTENANT COLONEL CONRAD JAKUBOWLieutenant Colonel Conrad Jakubow serves in the U.S. Army Reserve as a Strategic Planner. He began his career as an Armored Cavalry Officer with two combat deployments to Iraq, primarily in the Baghdad area. He later served as a Civil Affairs Officer with Army Special Operations Command, to include a deployment to Afghanistan where he worked with the State Department and various international partners. After 10 years of operational assignments, he was selected to be a Congressional Fellow for the late Congressman C.W. Bill Young. That marked a transition towards working at the strategic level of the Army, with assignments as a Congressional Budget Liaison and as a strategist for various elements of Army Headquarters. He is a graduate of the United States Military Academy at West Point and holds a master’s degree in legislative affairs from George Washington University, along with master’s degrees in international relations and business administration from Webster University.



Lieutenant Colonel Grant Mizell

U.S. Air Force Foreign Policy Fellow

LIEUTENANT COLONEL GRANT MIZELLLieutenant Colonel Grant Mizell most recently served as the Branch Chief for mobility requirements in the U.S. Air Force. He has 578 combat hours on over 500 combat sorties during six tours of duty in Southwest Asia and has flown more than 60 different aircraft as an Air Force test pilot. His career spans military operations, acquisitions, and squadron command. Lt Col. Mizell commanded the 645 Aeronautical Systems Squadron, building and delivering over 120 classified aircraft to government agencies operating across the globe. He has completed tours in Germany and England, and served with the Royal Air Force in Salisbury, UK. Lt. Col. Mizell has a B.S. in operations research from the United States Air Force Academy and master’s degrees from the University of Tennessee Space Institute and Air University.




Major Nicholas P. Cowan

US Air Force Non-Resident Fellow

MAJOR NICHOLAS P. COWANMajor Cowan was most recently Executive Officer, Deputy Chief of Staff for Intelligence, Surveillance, and Reconnaissance where he acted as personal advisor to Headquarters Air Force senior leaders throughout the development of intelligence policy and programs valued over $13 billion. He is an intelligence officer and graduate of the United States Air Force Weapons School. He has commanded over 10,000 hours of intelligence, surveillance, and reconnaissance missions with airborne and national platforms and has deployed overseas in support of Operations Enduring Freedom, Iraqi Freedom, and Inherent Resolve. Major Cowan holds bachelor degrees in political science and economics from Oregon State University and a master’s degree in intelligence studies from American Military University.




Major Christopher J. Leonhardt

US Air Force Non-Resident Fellow

MAJOR CHRISTOPHER J. LEONHARDTMajor Christopher J. Leonhardt previously served as the Assistant Director of Operations, 24th Special Tactics Squadron, at Pope Army Airfield in North Carolina, responsible for the development of advanced tactics, techniques, procedures, and equipment for the U.S. Special Operations Command and the Air Force. Major Leonhardt graduated from the United States Air Force Academy in May 2007. He completed the Combat Rescue Officer/Pararescue Training Pipeline in July 2009, and has acquired skills as a technical recovery specialist, parachutist, military freefall parachutist, and combat diver. Major Leonhardt has led Rescue and Special Tactics forces and participated in special operations missions during Operations Iraqi Freedom, New Dawn, Enduring Freedom, and Unified Protector. He has also led Theater Security Cooperation Teams in conjunction with missions to build partnership capacity throughout Europe and Africa.



Major Michael C. Sadler

US Air Force Non-Resident Fellow

MAJOR MICHAEL C. SADLERMajor Michael C. Sadler previously served as Wing Deputy Director of staff and C-130J Instructor Pilot assigned to the 19th Airlift Wing at Little Rock Air Force Base. Major Sadler graduated cum laude from The Citadel and was commissioned in the Air Force in May 2007. Following KC-135 R/T initial qualification at Altus AFB, he was assigned to the 344th Air Refueling Squadron. He was then board selected to crossflow to the C-130J through the Phoenix Horizon program, and has served in a variety of positions at the squadron, group, and wing levels. Major Sadler deployed as Assistant Director of Operations in support of Operations Freedom’s Sentinel, Inherent Resolve, and Resolute Support, providing leadership to over 1,100 combat sorties airlifting over 9 million pounds of military cargo. He is a senior pilot, having logged over 2,600 hours and flown 258 combat sorties in both tanker and airlift aircraft.