Mark Robert Filip (born June 1, 1966) is an American lawyer specializing in class action and white collar criminal and regulatory defense.

He graduated from the University of Illinois at Urbana-Champaign in 1988 with Bachelor of Arts degrees in economics and history, where he was a member of Phi Kappa Psi fraternity.

[5] In that position he prosecuted cases in the trial and appellate courts involving a variety of offenses—including violent crimes, political, judicial, and police corruption, health care fraud, and international narcotics trafficking.

[2] As a judge, he presided over numerous cases involving criminal, antitrust, securities fraud, immigration and other matters.

[2] On August 28, 2008, Filip issued a memo regarding federal prosecution of business organizations,[8] which reversed the Justice Department's aggressive policy of pursuing white collar crime.

[3] Filip led the department while President Obama's nominee, then attorney-general designate Eric Holder, awaited confirmation by the United States Senate.