Mary Simon

Mary Simon is a trial lawyer at The Simon Law Firm whose practice focuses on catastrophic injury cases involving trucking and motor-vehicle collisions, medical malpractice, birth injuries, and defective or dangerous products. She grew up in a family of attorneys, watched cases develop from preparation through verdict as a child, and brings a meticulous, relentless approach to litigation. Her results include a $27.5 million verdict for a young man injured in a motorcycle collision and a $10 million verdict in a maternal birth-injury case, along with a $10 million settlement in a trucking-related traumatic brain injury case and a $7 million medical malpractice settlement.

Missouri Lawyers Media named her an Up and Coming Lawyer in 2025, and she has been selected to Best Lawyers: Ones to Watch in America. She is a Super Lawyers Rising Star since 2024, a National Trial Lawyers Top 40 Under 40 and Top 25 Medical Malpractice Trial Attorneys honoree, and received the John C. Shepherd Professionalism Award. She received the Saint Louis University School of Law Academic Excellence Award in Legal Professions and is admitted in Missouri, Illinois, and federal courts including the Eastern and Western Districts of Missouri.