T. Markus Funk is an American attorney, law professor, and author best known for the prosecution of several high-profile mob figures during his career at the United States Department of Justice, his role in co-leading the internal investigation into former Ohio State University team physician Dr. Richard Strauss, and trial victory on behalf of the Costa Rican citrus industry. He is currently a partner in the law firm of Perkins Coie, where he since 2015 has served as the Firmwide Chair of the firm's global White Collar & Investigations Practice.