profile picture of James M. Koukios

James M. Koukios

Partner | Washington, D.C.

He comes in with a prosecutor's perspective and can point things out that regulators will focus on. He is great. – Chambers & Partners USA

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James Koukios is co-chair of Morrison Foerster’s Investigations + White Collar Defense Group and also serves as co-head of the FCPA + Global Anti-Corruption Practice. James represents companies and individuals in high-stakes government enforcement actions and complex internal investigations. He has handled matters across a wide range of jurisdictions including Brazil, China, Greece, India, Russia, Venezuela, and Vietnam, among others. James draws on his experience as a federal prosecutor, when he tried over 20 federal jury cases and supervised hundreds of white collar investigations, to obtain the best results for his clients. He is consistently praised for his judgment and advocacy in complex investigations and enforcement actions. Chambers USA notes that he is “super experienced with excellent judgement regarding what the government is looking for and concerned about,“ while Chambers Global describes James as, “a forceful advocate when appearing before the government.”

Before joining Morrison Foerster, James spent 10 years at the U.S. Department of Justice (DOJ), beginning as an Assistant United States Attorney in Miami and finishing as Senior Deputy Chief of the Criminal Division’s Fraud Section in Washington, D.C., where he supervised investigations, prosecutions, and resolutions in the Fraud Section’s FCPA, Health Care Fraud, and Market Integrity and Major Fraud Units. While at DOJ, James investigated and prosecuted health care fraud, procurement fraud, domestic and foreign corruption, money laundering, and export control offenses, working closely with state, federal, and foreign law enforcement officials, as well as the U.S. Securities and Exchange Commission (SEC), the U.S. Departments of Defense, State, and Commerce, and intelligence agencies.


Named a "Top White Collar Crimes Attorney" in Washington, D.C.

Super Lawyers 2025