Sié Chéou-Kang Chair for International Security and Diplomacy, Josef Korbel School of International Studies
Director of the Sié Center, University of Denver
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25th Anniversary Video
Hear past and present organizers reflect on over 25 years of the Seminar XXI Program and its impact on the national security policy community.
2026–2027 SESSION DATES
Look and plan ahead.
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Find out who attended and the national security topics discussed.
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