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Michael Mosier

Co-Founder of Arktouros PLLC

Michael Mosier is a co-founder of Arktouros PLLC.  He has twice been the first in-house counsel at emergent technology companies:  Chainalysis (blockchain analytics/investigations) and Espresso Systems (configurable private computation and decentralized sequencing).   He has served as an independent board director and chair of the Government Security Committee for an artificial intelligence and autonomous vehicle systems public company operating under a Committee on Foreign Investment in the United States (CFIUS) National Security Agreement.


In public service, Michael was Acting Director, Deputy Director, and the first Digital Innovation Officer of the U.S. Treasury’s Financial Crimes Enforcement Network (FinCEN), where he worked closely with federal, state, and international counterparts on the development and implementation of policy and regulation, as well as advancing digital identity and privacy-enhancing technology approaches to preventing exploitation.  He also was Counselor (Cybersecurity & Emerging Technology) to the Deputy Secretary of the Treasury.


Previously, Michael served as Associate Director and Acting Deputy Director of Treasury’s Office of Foreign Assets Control (OFAC), leading the Office of Compliance & Enforcement and Office of Sanctions Policy & Implementation.    


Before Treasury, Michael was a Deputy Chief in the Department of Justice’s Money Laundering Section, where he created and led the Special Financial Investigations Unit.  He also served at the White House National Security Council as Director for Transnational Organized Crime.  


Michael has been an adjunct professor (Advanced Evidence for Trial) at Georgetown University Law Center and began his public service as a prosecutor with the Manhattan District Attorney’s Office. 


Michael is also a partner in ex/ante, an early-stage venture fund investing in technology that advances democratic resilience and personal sovereignty. 

Reviewing the Laws
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