
Sydney Seiler 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.
In the News 8 of 32 results
Trump will force Putin to control Kim Jong-un in ‘Cold War 2’ model | Sydney Seiler & Edward Howell
Sydney Seiler in Times Radio — January 30, 2025
"트럼프 발언, 북한 ‘핵보유국 지위’ 인정 아냐…협상 유도 전략 가능성”
Sydney Seiler in VOA — January 22, 2025
Blinken Wades Into South Korea Political Crisis
Sydney Seiler in AFP — January 5, 2025
Top Story with Tom Llamas - Dec. 12 | NBC News NOW
Sydney Seiler in NBC — December 12, 2024
Yoon Suk Yeol: The ‘American Pie’-singing conservative who tried to suspend democracy – and failed
Sydney Seiler in CNN — December 5, 2024
Long drawn-out impeachment process could favor South Korea’s Yoon: Analyst
Sydney Seiler in CNBC — December 5, 2024
What South Korean president wanted to expose by invoking martial law
Sydney Seiler in CNN — December 4, 2024
Bloomberg Businessweek: SpaceX Weighs Tender Offer, Geopolitical Turmoil
Sydney Seiler in Bloomberg — December 3, 2024
All Sydney Seiler Content
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North Korean Troops in Russia: Comrades in Arms or Cannon Fodder?
Podcast Episode by Sydney Seiler and Seth G. Jones — February 7, 2025

Resilient Allied Energy Cooperation in the Indo-Pacific
Event — February 5, 2025
The Impossible State Live Podcast: North Korean Troops in Russia: Comrades in Arms or Cannon Fodder?
Event — February 4, 2025
What's Next for the Korean Peninsula Under Trump 2.0?
Podcast Episode by Ellen Kim and Sydney Seiler — January 24, 2025

The Impossible State Live Podcast: What's Next for the Korean Peninsula under Trump 2.0?
Event — January 22, 2025
What Happened in South Korea? The Capital Cable #102
Event — December 12, 2024
ROK-U.S. Strategic Forum 2024
Event — November 18, 2024
Special Discussion with Secretary General Yongho Tae
Podcast Episode by Sydney Seiler — November 15, 2024

The Impossible State Live Podcast: Special Discussion with Secretary General Yongho Tae
Event — November 12, 2024
The Spiral of Tensions: North Korea, Russia, and Ukraine
Podcast Episode by Victor Cha and Sydney Seiler — October 25, 2024
