Anthony Lewis is a partner in Sullivan & Cromwell’s Litigation Group. His practice focuses on international investigations, cybercrime matters, and regulatory enforcement proceedings.Mr. Lewis joined S&C in 2019 from the United States Attorney’s Office for the Central District of California, where he was Deputy Chief of the Terrorism and Export Crimes Section. During more than 10 years of service, he prosecuted sophisticated cybercrimes, financial frauds and criminal tax cases, as well as various domestic and international counterintelligence and counterterrorism matters. Mr. Lewis’s experience includes charging the largest-ever cyber heist at Bangladesh’s central bank that was part of a North Korean conspiracy, which also included computer network intrusions at other banks, at Sony Pictures Entertainment, at defense contractors, and using the WannaCry ransomware. He was also a part of the litigating team seeking to compel Apple to decrypt an iPhone used by a terrorist in the San Bernardino attack. His work has involved in-depth digital forensic review, malware comparison, and internet-based investigation. He has conducted and supervised investigations and prosecutions involving OFAC-administered sanctions, the Export Administration Regulations, and the International Traffic in Arms Regulations. His practice included litigating matters involving the Classified Information Procedures Act and the Foreign Intelligence Surveillance Act. Mr. Lewis has tried a variety of cases and briefed and argued appeals before the Ninth Circuit.Mr. Lewis began his career as an associate at S&C, where he worked on complex government investigations.