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John represents clients in complex litigation at the trial and appellate level, with a particular focus on matters arising out of government and criminal investigations. He has conducted internal investigations, tried cases to bench and jury, and briefed and argued cases in appellate courts.
He previously served in positions of significant responsibility throughout the government. As associate counsel to the president of the United States from 2007 to 2008, he represented the Office of the President in congressional investigations and other sensitive matters. His primary responsibility included handling issues arising out of the Department of Defense and State Department. In addition, he coordinated with the Department of Justice on litigation implicating the Office of the President. Most recently, as an assistant U.S. attorney for the Eastern District of Virginia from 2008 to 2010, he tried cases ranging from fraud to violent crime and managed complex grand jury investigations involving fraud, public corruption, and other matters.
In private practice, John represents clients in sensitive grand jury and governmental investigations. He also handles complex civil litigation, including class actions, covering a wide range of substantive areas. Finally, he is frequently called upon by firm clients to brief and argue appeals in federal and state courts.
John served as law clerk to Associate Justice Clarence Thomas on the U.S. Supreme Court from 2006 to 2007 and to Circuit Judge David B. Sentelle on the U.S. Court of Appeals for the D.C. Circuit from 2003 to 2004. He served as a U.S. Naval Officer from 1996 to 2000.
John is co-chair of McGuireWoods' Recruiting Committee and has previously served as an adjunct professor of Appellate and Trial Advocacy at the University of Richmond T.C. Williams School of Law.