Adam S. Hickey

Cybersecurity & Data Privacy, National Security, Global Investigations & White Collar Defense


Adam Hickey offers clients extensive experience in cybersecurity, sanctions, export controls, the Foreign Agents Registration Act (FARA), CFIUS, and other national security authorities.

Adam draws on more than 15 years of experience at the US Department of Justice (DOJ) handling high-profile national security matters intersecting with the private sector. Prior to joining Mayer Brown, he was a Deputy Assistant Attorney General (DAAG) of DOJ's National Security Division (NSD) and an Assistant United States Attorney in the Southern District of New York (SDNY). 


  • Attorney General’s Distinguished Service Award
  • FBI Director’s Award, Outstanding Cyber Investigation
  • NSD Assistant Attorney General’s Award


  • Harvard College, AB, summa cum laude, Government
  • Yale Law School, JD
    Articles Committee Chair, The Yale Law Journal


  • District of Columbia
  • New York

Professional & Community Involvement