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Sydney Seiler Headshot

Sydney Seiler

Senior Adviser (Non-resident), Korea Chair
Center for Strategies and International Studies (CSIS)

Sydney Seiler is a Senior Adviser (Non-resident), Korea Chair at theCenter for Strategies and International Studies (CSIS). He was the national intelligence officer for North Korea at the National Intelligence Council from 2020 to 2023 and is one of the nation’s top experts on North Korea. Previously, he was the U.S. Forces Korea (USFK) senior analyst and senior defense intelligence expert for North Korea from 2016 to 2020, serving as the principal adviser and senior expert on Korean Peninsula security issues to the USFK commander and the U.S. Defense Intelligence Enterprise. Mr. Seiler also served as the U.S. special envoy for Six Party Talks (2014–2015), where he coordinated U.S. diplomacy and policy on the DPRK and led negotiations with North Korea. Prior to that, Mr. Seiler served as the director for Korea on the National Security Council (2011–2014). A member of the Senior National Intelligence Service, Mr. Seiler has over 40 years of experience focusing on Korean Peninsula affairs in a range of executive management, intelligence, and policy positions within the Office of the Director of National Intelligence, the Central Intelligence Agency (CIA) Directorate of Analysis, the CIA’s Directorate of Operations, the CIA’s Open Source Center, and the National Security Agency. He has three decades of experience watching North Korea and 12 years of serving in South Korea.

He received his MA degree in Korean studies from Yonsei University and is a graduate of the Korean language programs of the Defense Language Institute and Yonsei University.

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Syd Seiler argues that recent developments in the relationship between North Korea, China, and Russia should be examined within the context of past interactions and North Korea’s geopolitical reality over…

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June 24, 2024