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Marcus A. Christian

Marcus A. Christian

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Cybersecurity Regulation in the United States

Securities Investigations: Internal, Civil and Criminal

Securities Investigations: Internal, Civil and Criminal

Global Investigations Review 2016

Doing Business in a Connected World Conference Report

The Impact of Cybersecurity, Data Privacy and Social Media

Doing Business in a Connected World Report Cover

Marcus Christian is a Washington DC partner in Mayer Brown's Litigation & Dispute Resolution practice and White Collar Defense & Compliance group. He also is a member of the firm’s Cybersecurity & Data Privacy practice.  Since joining Mayer Brown in 2013, Marcus has represented clients in matters involving data security planning, board governance of cybersecurity, cyber fraud, data breach response, and congressional investigations, among others.

Previously, he was the executive assistant United States attorney at the US Attorney’s Office for the Southern District of Florida, the third-highest ranking position in one of America’s largest and busiest offices of federal prosecutors. In this role, Marcus worked on the senior management team with responsibility for the Criminal, Civil, Appellate, Asset Forfeiture and Administrative Divisions.   Among other things, he oversaw a number of identity theft task forces, maintained critical incident response readiness, and supervised investigations and prosecutions of crimes related to data breaches.  Marcus developed strong working relationships with members of the Federal Bureau of Investigation, the United States Secret Service, and other agencies that investigate computer and data crimes.  He also held a top secret security clearance.

Prior to joining the US Attorney’s Office, Marcus was the chief of staff for US Representative Peter Deutsch of Florida’s 20th Congressional District. He joined the congressman after working for TSIC, Inc., a statewide nonprofit organization that provides full-tuition, four-year college scholarships to thousands of Florida's low-income students. At TSIC, Marcus served as chief operating officer and legal counsel and later as president.

Earlier in his career, Marcus was selected by the Attorney General’s Honors Program to work as an attorney in Appellate Section of the Tax Division of the United States Department of Justice in Washington DC. He also clerked for Judge H. Robert Mayer of the United States Court of Appeals for the Federal Circuit in Washington, DC.

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