Anthony Lewis

Litigation; Artificial Intelligence; Criminal Defense & Investigations; Cybersecurity; Digital Assets; Economic Sanctions & Financial Crime; False Claims Act; FCPA & Anti-Corruption; National Security; Privacy; State Attorney General Investigations & Litigation

Anthony Lewis is Co-Head of Sullivan & Cromwell’s National Security Practice, a member of the Firm’s Criminal Defense and Investigations Group, and Co-Head of the Firm’s Cybersecurity Practice. His practice focuses on international and government investigations and on cybersecurity incident response and advice. Mr. Lewis has represented clients in internal investigations and regulatory enforcement proceedings, including with the Department of Justice (DOJ), the Securities and Exchange Commission (SEC), the Office of Foreign Assets Control (OFAC), and the Commodity Futures Trading Commission (CFTC), and with financial regulators. He has advised clients in a wide range of industries, including aerospace and defense, technology, industrials, financial services and consumer goods.

Widely recognized for his work in counterintelligence, cybersecurity, and defense, Mr. Lewis received the Attorney General’s Award for Distinguished Service twice as well as recognition from the U.S. Intelligence Community.

He previously served as Deputy Chief of the Terrorism and Export Crimes Section of the U.S. Attorney’s Office for the Central District of California.

Stanford Law School (J.D., 2003); Yale University (B.S., 2000)