Sean Wiswesser has thirty years of experience working as a national security professional with intelligence, foreign service, and defense organizations. As a senior operations officer with the CIA, he served on multiple overseas tours and numerous temporary-duty deployments, including in conflict zones and denied areas. He was a Chief of Station and had multiple joint-duty assignments with intelligence community partners.
Sean currently consults for the Department of Defense and a number of companies, working on various programs, including weapons testing, intelligence support, and training.
Sean was a Morehead Scholar at the University of North Carolina at Chapel Hill with a bachelor's degree in History and Russian & Slavic linguistics. He was awarded a Master of Strategic Studies in 2023 from the Air War College, where he received the Russia Integrated Deterrence Award.
Sean’s book Tradecraft, Tactics, and Dirty Tricks: Russian Intelligence and Putin’s Secret War, was released with Naval Institute Press in April 2026. Sean has published chapters in collaborative volumes with Army War College Press and Taylor and Francis (UK), as well as articles in the Journal of Small Wars and other publications.
He has a column Tomorrow’s Affairs in the UK and a previous column, Kremlin Files, with the DC-based Cipher Brief.