Professor Moon Chung-in is Vice Chair of the APLN. He is the former Special Adviser of National Security and Foreign Affairs to the ROK President (2017-2021). He is currently James Laney Distinguished Professor of Yonsei University and the Editor-in-Chief of Global Asia, a quarterly magazine in English. He has published over sixty books and 300 scholarly articles. His most recent book is Understanding Kim Jong Un's North Korea (Lexington Book, 2022, co-edited with Robert Carlin). He attended all four inter-Korean summits (three in Pyongyang and one in Panmunjom) as a special delegate.

Markus Garlauskas is the director of the new Indo-Pacific Security Initiative of the Atlantic Council’s Scowcroft Center for Strategy and Security, which replaces the former Asia Security Initiative. He leads this new initiative’s efforts focused on security, prosperity, and freedom in the Indo-Pacific region. He led projects focused on deterrence and defense issues in East Asia as a nonresident senior fellow from August 2020 until assuming his duties as director in January 2023. Garlauskas served in the US government for nearly twenty years. He was appointed to the Senior National Intelligence Service as the National Intelligence Officer (NIO) for North Korea on the National Intelligence Council from July 2014 to June 2020. As NIO, he led the US intelligence community’s strategic analysis on North Korea issues and expanded analytic outreach to non-government experts. He also provided direct analytic support to top-level policy deliberations, including the presidential transition, as well as the Singapore and Hanoi summits with North Korea.

Susan A. Thornton is Project Director of the Forum on Asia-Pacific Security at the NCAFP, Visiting Lecturer in Law at Yale Law School and Senior Fellow at the Paul Tsai China Center. In 2018, she retired from the State Department after a 28-year diplomatic career focused primarily on East and Central Asia. In leadership roles in Washington, Thornton worked on China and Korea policy, including stabilizing relations with Taiwan, the U.S.-China Cyber Agreement, the Paris Climate Accord and led a successful negotiation in Pyongyang for monitoring of the Agreed Framework on denuclearization. In her 18 years of overseas postings in Central Asia, Russia, the Caucasus and China, Thornton’s leadership furthered U.S. interests and influence and maintained programs and mission morale in a host of difficult operating environments. Prior to joining the Foreign Service, she was among the first State Department Fascell Fellows and served from 1989–90 at the U.S. Consulate in Leningrad. She was also a researcher at the Foreign Policy Institute from 1987–91. Thornton holds degrees from the National Defense University’s Eisenhower School, the Johns Hopkins School of Advanced International Studies, and Bowdoin College. She speaks Russian, Mandarin Chinese and French, is a member of numerous professional associations and is on the Board of Trustees for the Eurasia Foundation.

Thomas J. Byrne joined The Korea Society as President in August 2015. Since June 2023, he had also taken the role of “Honorary Ambassador,” appointed by the minister of MOTIE under the auspices of KOTRA/Invest Korea, to help promote trade and investment ties between Korea and the U.S. Byrne comes to the Society from Moody’s Investor Services, where he was Senior Vice President, Regional Manager, spokesperson, and Director of Analysis for the Sovereign Risk Group in the Asia-Pacific and Middle East regions, based in Singapore. Prior to that, he was the Senior Economist of the Asia Department at the Institute of International Finance in Washington D.C. from 1984 to 1996. Byrne has an MA in International Relations with a concentration in international economics from the Johns Hopkins School of Advanced international Studies and a BS in Biology from State University of New York at Stony Brook. Before his graduate work, he served in South Korea for three years as a U.S. Peace Corps volunteer. Byrne teaches as an adjunct professor at Columbia University’s School of International and Public Affairs in New York City and at Georgetown University’s Graduate School of Foreign Service in Washington, D.C. As president, he has written opinion articles published in the Wall Street Journal, Bloomberg View, The New York Times, The Washington Post, The Financial Times, The National Interest, and Reuters Breakingviews.