John F. Theil is an accomplished attorney with extensive experience in complex litigation, specializing in mesothelioma, asbestos-related lung cancer, personal injury, and plaintiff’s commercial litigation. With over 23 years of legal practice, John has established himself as a formidable litigator, consistently delivering outstanding results for his clients.
Born and raised in Nebraska, John’s strong work ethic was instilled in him from an early age. After completing high school, he served five years in the U.S. Marine Corps, where he learned the values of discipline, dedication, and perseverance. Following his honorable discharge, John embarked on a journey to expand his education, knowledge and skills in business management and law.
Prior to joining OnderLaw, John excelled as a top producing partner at a renowned national asbestos litigation firm for five years. During this time, he continually worked hard to obtain great case results, which netted his clients above-average settlements in their asbestos related injury cases.. His track record of success is a testament to his unwavering commitment to securing maximum recoveries for his clients.
John began his legal career as a complex commercial litigator, gaining invaluable experience handling plaintiff and defense cases across various state and federal courts throughout the country where he represented clients in high-stakes cases and achieved numerous multi-million-dollar verdicts and judgments. This diverse background equipped him with the versatility to navigate all aspects of a case, from client engagement and case workup to pre-trial, trial, appellate, and settlement proceedings.
As a team leader, John provides invaluable guidance to attorneys, paralegals, and support staff, fostering a collaborative environment that maximizes results. His leadership skills and wealth of experience make him a trusted advocate for his clients, particularly those affected by asbestos-related diseases. John’s deep understanding and immediate connection with hard-working blue-collar clients stem from his military experience, and personal work history as a construction laborer, roofer, automotive and motorcycle mechanic, and an FAA-certified aircraft mechanic.
John currently resides in St. Louis with his wife, Mandi. He finds joy in raising their two daughters and cherishes family time. When he is not in the office, he indulges in his passions for golf, hunting, and traveling with his loved ones. Additionally, John actively volunteers for local charities, demonstrating his commitment to making a positive impact on the community.
John F. Theil is admitted to practice law in Missouri and Illinois State Courts, the Supreme Court of the United States, the 5th, 7th, 8th, and Federal Circuit Appellate Courts, as well as the U.S. Court of Federal Claims and Federal District Courts of the E.D. of Missouri, S.D. of Illinois, S.D. of Texas, and N.D. of Georgia. His broad range of bar admissions underscores his ability to handle complex cases across multiple jurisdictions.
With his exceptional legal skills, wealth of experience, and unwavering dedication to his clients’ best interests, John F. Theil continues to be a highly sought-after attorney who consistently achieves exceptional results in his practice areas.
