Marc Krickbaum

Marc has represented companies and individuals in white collar criminal matters, internal investigations, and civil litigation involving allegations of fraud, insider trading, public corruption, and theft of trade secrets. He also has significant experience in matters relating to the False Claims Act, the Foreign Corrupt Practices Act, sanctions and export control, and national security litigation.

Before joining Winston, Marc served in several senior positions at the U.S. Department of Justice (DOJ). Most recently, Marc served as Deputy Special Counsel, supervising the investigation of classified documents found in the home and office of President Biden.

Marc previously served as the U.S. Attorney for the Southern District of Iowa, where he oversaw all federal criminal and civil litigation in that district. In addition to his management role, Marc personally handled prosecutions as U.S. Attorney, tried multiple cases to verdict, and briefed and argued several appeals.

Before becoming U.S. Attorney, Marc served for nearly a decade as an Assistant U.S. Attorney in Chicago and in the Southern District of Iowa, where he served as Chief of Appeals. Earlier in Marc’s career, he served as an advisor to top DOJ leadership as counsel to the Deputy Attorney General.

After law school, Marc clerked for the Honorable Steven M. Colloton of the United States Court of Appeals for the Eighth Circuit, and the Honorable Mark Filip of the United States District Court for the Northern District of Illinois.