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Peter Breen

Peter Breen

Executive Vice President & Head of Litigation, Thomas More Society

Peter Breen serves as Executive Vice President and Head of Litigation at Thomas More Society, leading the firm's litigation team in federal and state courts across the country. Before joining TMS, he left private practice in Chicago to pursue full-time public service. Peter also served two terms in the Illinois House of Representatives, rising to Republican Floor Leader. He holds a B.E. in Electrical Engineering from Vanderbilt University and a J.D. from the University of Notre Dame Law School. He and his wife Margie have two sons.

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