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Ronald C. Machen

Ronald C. Machen


Washington, DC, USA

Ronald Machen has spent his entire twenty-four-year career either prosecuting or defending high stakes ‎criminal and civil litigation matters. He began his career in government service in 1997 as an Assistant US Attorney for the District of Columbia.  In this role, Mr. Machen prosecuted numerous matters involving bribery, government contract fraud, federal conspiracy, embezzlement, theft, and homicide. He then became a partner at WilmerHale where he represented clients in the areas of white collar criminal defense and corporate compliance.  In 2009, Mr. Machen was nominated and subsequently confirmed as the US Attorney for the District of Columbia, where he oversaw the investigation and litigation of major criminal and civil matters.

In 2015, Mr. Machen returned to WilmerHale and has become one of the nation's leading trial and white-collar defense lawyers. His practice focuses on domestic and international government enforcement actions, corporate and congressional investigations, and litigating civil business disputes. He is currently a member of the firm's global Management Committee and co-chair of the Investigations and Criminal Litigation Practice Group. Mr. Machen routinely helps Fortune 100 clients navigate high stakes crisis situations and currently serves as a Department of Justice appointed monitor in a significant health care matter.


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