Member of Management Committee, Leader of Cybersecurity & Data Privacy, Leader of National Security

Rajesh De

Cybersecurity & Data Privacy, National Security


Raj De serves on Mayer Brown’s global Management Committee. He was previously the Managing Partner of Mayer Brown's Washington DC office, which is comprised of more than two hundred lawyers. He leads the firm's global Cybersecurity & Data Privacy practice, as well as the firm’s National Security practice, and serves as a member of the firm’s Congressional Investigations & Crisis Management team. After nearly two decades in private practice and public service across all three branches of the United States government, Raj is one of the most trusted voices in Washington. He has held senior appointments in the White House, the Department of Justice (DOJ) and the Department of Defense (DOD). Raj returned to Mayer Brown in 2015 after serving as General Counsel at the United States National Security Agency (NSA). Since returning to the firm, Raj has received numerous recognitions, including by American Lawyer (“Lateral All-Star”), Washingtonian magazine (“Top Lawyer” and among the “Most Influential People in Washington DC”), The National Law Journal (“Cybersecurity and Data Privacy Trailblazer”), and Cybersecurity Docket (“Incident Response 30”), as well as a top ranking by Chambers USA for Incident Response (Band 1) and membership in the Legal 500 “Hall of Fame” for Cyber Law. 


  • Harvard College, AB, magna cum laude
  • Harvard Law School, JD, magna cum laude


  • District of Columbia