Joan Mannix serves as Executive Vice President & Managing Counsel at Thomas More Society, specializing in civil appellate practice. Throughout her career, she has written hundreds of appellate briefs, argued before the Illinois Appellate Court and the Seventh Circuit Court of Appeals, and represented clients in the Illinois Supreme Court, Wisconsin Supreme Court, and the U.S. Supreme Court.

Her notable victories include a $16 million judgment reversal and an $8.3 million wrongful death verdict. Mannix holds a bachelor’s degree in History and a J.D. from the University of Notre Dame. Committed to service, she volunteered for the Peace Corps, teaching science in Burkina Faso. Recognized as an Illinois Super Lawyer multiple times, she has contributed to Illinois Institute of Continuing Education (IICLE) publications, co-authoring chapters on Settlement and Compromise and Settlement Procedures.