Ambassador Linda Thomas-Greenfield

Resident Senior State Department Fellow

Ambassador Linda Thomas-Greenfield, a member of the Career Foreign Service, currently serves as Senior State Department Fellow at the Institute for the Study of Diplomacy at Georgetown University. She received the 2017 Hubert H. Humphrey Public Leadership Award from the Humphrey School of Public Affairs in recognition of her three decades of work promoting the values of humanitarianism and responsible global engagement. From 2013 to 2017 she served as the Assistant Secretary for the Bureau of African Affairs. In this capacity, she led the bureau in the Department of State 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 of approximately 400 employees who handled the full range of personnel functions for the State Department’s 70,000-strong workforce -- from recruitment and hiring, to evaluations, promotions and retirement.

Steven G. Keating

U.S. Intelligence Community National Security Law Fellow

Mr. Steven G. Keating is the acting Senior Associate General Counsel, Legal Operations and Business Management Division (OGCX), Office of General Counsel (OGC), for the National Geospatial-Intelligence Agency (NGA).  His is responsible for integrating legal advice across all OGC portfolios through structured and measurable collaboration on cross-cutting issues that impact NGA’s priorities, anticipating current and future client needs, and ensuring high quality legal service.  He and his team manage legal portfolios that include: Legislative Matters; Intelligence Oversight/Civil Liberties and Privacy; and requests made pursuant to the Freedom of Information Act, Privacy Act, or through the Public Release Process.  He executes OGC business management functions with an expert team of Staff Officers under the leadership of NGA OGC’s Chief of Staff, who matches resources, executive support, program management, and legal administrative support activities against NGA’s highest legal requirements, managing a premier legal office for NGA.


Dean and Virginia Rusk Fellow, US State Department

Katharine Nanavatty joined the US Foreign Service in 2005, and has served in Dar es Salam, Johannesburg, and the South and Central Asia Bureau, among other posts. In her most recent assignment in Kuala Lumpur, Kate worked on US-Malaysia maritime cooperation, including a training program for the Malaysian Coast Guard. As Burma Desk Officer in the Bureau of East Asian and Pacific Affairs from 2010-2012, she worked on US strategies to normalize relations with Burma, and played a lead role on the team responsible for planning Secretary Clinton’s 2011 visit to Burma, the highest-level US engagement in Burma for more than 50 years.


Dean and Virginia Rusk Fellow, US State Department

Raj Wadhwani joins ISD from the US Consulate General in Mumbai, where he served as Political and Economic Section Chief, responsible for reporting on economic reform, business, finance, human rights, religious freedom, women’s issues, and party politics. Some of Raj’s other US Foreign Service assignments were in Baghdad, where he served as Deputy Spokesman/Information Officer; in Washington as Desk Officer for Economic Affairs in the Office of Iranian Affairs; as Political Officer and Vice Consul in Amman; as Vice Consul in the US Embassy in Riyadh; and as Provincial Action Officer on the Provincial Reconstruction Team in Baghdad.


US Army War College Fellow

Colonel Shon McCormick comes to ISD from the National Security Council, where he served as Director of Defense Policy and Strategy, with an emphasis on security sector assistance policy and global defense strategy. From 1994-2006, he served in various US Army command and staff positions in the United States and Korea, and later was deployed to Afghanistan. An Army Strategist, Shon spent two years on the Army Staff at the Pentagon, where he worked on force planning and Army strategy and policy.


US Army War College Fellow

Lt. Colonel Matthew Metzel currently serves as a Senior Strategic Planner in the Strategy Integration Directorate, Office of the Chief, Army Reserve. Matt enlisted in the US Army in 1993, was selected as an Officer Candidate, and then deployed his platoon to Bosnia in 1996 in support of Operation Joint Endeavor. He left the military in 1997 to work as a probation officer. In 2001, he was mobilized to support Operation Noble Eagle, then joined the Active Guard and Reserve program in 2002. In 2007 he deployed to Iraq with the 535th Military Police Battalion.


Senior National Defense Fellow, US Air Force

Lieutenant Colonel Andrew J. Steffen was the Commander of the 30th Intelligence Squadron, where he led over 360 intelligence operators producing imagery, signals and multi-source intelligence collection, exploitation, analysis and reporting for areas across the globe. He is a career intelligence officer who has served in numerous tactical and strategic roles and has deployed in support of operations in the Middle East, Europe and Pacific regions. He was also selected for the prestigious and combat-focused Afghanistan-Pakistan Hands Program, where he deployed to Pakistan for a year. In his last staff job, Andrew served as the national Intelligence Community's Program Manager for Pakistan.

Sungsoo Choi

Affiliate Research Scholar, Ministry of Foreign Affairs, Republic of Korea

Mr. Choi graduated from Seoul National University in 1991 and studied international economics from 1994 to 1996 at the University of Michigan where he obtained his MA degree. Since joining the Ministry of Foreign Affairs in 1991, he has worked at the Korean Embassies in Wellington, Tehran and Kiev, and the Permanent Mission to the UN in New York and the Permanent Delegation to OECD in Paris. In Seoul, he worked for inter-Korean policy, Middle East and African affairs, international economic cooperation and development cooperation. He was Director of Development Cooperation Division and Director of Africa Division.


Air Force Foreign Policy Fellow

Major Alfredo Balderas joins ISD from the Contingency Response Wing at Joint Base McGuire-Dix-Lakehurst, New Jersey where he served as the Chief of the Wing Commander’s Action Group.   He commissioned from Texas A&M University in 2005, and served as a KC-135 pilot in Okniawa, Japan and Wichita, Kansas.  Alfredo has deployed to the Middle East five times in support of overseas contingency operations.   He recently deployed as an operational planner to the Combined Air Operations Center in Al Udeid Air Base, Qatar where he orchestrated aerial refueling operations for the evacuation of 300 US citizens from the US Embassy in Yemen.

Adam G. Chitwood

Air Force Foreign Policy Fellow

Maj Adam G. Chitwood was the weapons officer for the 28th Bomb Wing, where he vectored tactical training for two operational B-1 squadrons, prepared the B-1 for its first Pacific deployment in a decade, and directed large force exercise development for the largest training airspace in the continental United States. He has deployed to the Middle East multiple times, most recently leading the 37th Bomb Squadron in dropping over 5,000 Joint Direct Attack Munitions across Syria, Iraq, and Afghanistan, earning the Air Force Association’s Lemay Award for Best Bomber Crew in the Air Force.  Prior to his weapons officer tour, Adam developed hot pit refueling procedures for the B-1, revolutionizing the way B-1 training sorties are generated while saving millions of dollars annually in fuel costs.


Air Force Foreign Policy Fellow

Jason Curtis, 35, is a Major in the United States Air Force and a combat experienced fighter pilot.  He most recently served as Thunderbird #5, the Lead Solo for the U.S. Air Force Air Demonstration Squadron.  In this role, Jason represented 660,000 Active Duty, Guard and Reserve Airmen to the American public.  Prior to this assignment, Jason was an F-16 Instructor Pilot and Flight Commander responsible for training and certifying student fighter pilots.  Major Curtis has served overseas in South Korea and Italy, where he was involved in combat operations.  In 2010 Major Curtis served in Afghanistan, conducting close air support and armed over watch missions.  The following year, Maj Curtis conducted offensive strike missions in Libya.  He received three Air Medals as a result of his two deployments.  Jason earned a B.S in Aeronautical Engineering from the U.S. Air Force Academy as a distinguished military graduate, and an M.S. in Aeronautics from Embry-Riddle Aeronautical University also as a distinguished graduate.  He currently serves with the Make-A-Wish Foundation, Wounded Warrior Project and American Field Service as a volunteer.  Jason is an active mentor and public speaker for youth and young adults from his hometown of Kalispell, Montana.