R. John Klevorn III

John Simmons founded the firm in 1999 with seven employees and a focus on asbestos litigation. Under his leadership, the firm has expanded to more than 250 employees, including more than 80 attorneys, spread between five offices in Alton, St. Louis, New York, San Francisco and Los Angeles. John has overseen some of the biggest verdicts and settlements in the history of asbestos litigation. The firm’s first trial involved a roofer and former Shell Oil employee diagnosed with mesothelioma...

Keith A. Herman is a top attorney recognized by Best Lawyers in the practice area(s) of Closely Held Companies and Family Businesses Law and Trusts and Estates. Keith A., who practices law in St. Louis, Missouri, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keith A. is held by other top lawyers in the same geographic and legal practice area.

Melissa G. Nolan is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Melissa G., who practices law in St. Louis, Missouri, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Melissa G. is held by other top lawyers in the same geographic and legal practice area.

Vincent D. Reese focuses his practice on labor, employment, and education law, in addition to commercial litigation. Vince has successfully litigated employment discrimination claims based on race, sex, age, disability, religion, national origin, and pregnancy in Missouri and Illinois State Courts as well as many federal district courts around the country. Vince has extensive experience in representing his clients’ interests with respect to investigations conducted by the U.S. Equal Emp...

Kevin Carnie Jr. has earned a reputation for taking on some of the most high-profile cases in the region, securing nearly half a billion dollars in verdicts and settlements for his clients. Carnie focuses on catastrophic personal injury and product liability cases. His product liability cases range from accidents involving cranes, vehicles, construction equipment, heavy machinery, factory equipment, and medical devices. His personal injury practice includes medical malpractice, auto accidents...

Mary L. Bruntrager is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. Mary L., who practices law in St. Louis, Missouri, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mary L. is held by other top lawyers in the same geographic and legal practice area.

Richard B. Rothman is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Real Estate Law. Richard B., who practices law in St. Louis, Missouri, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard B. is held by other top lawyers in the same geographic and legal practice area.

Shaun Lieser developed an interest in practicing law at an early age, but his commitment to serving others became deeply personal after the sudden loss of his mother in 2007. That experience shaped the direction of his career and ultimately led to the founding of Lieser Law Firm LLC . Since that time, Shaun has focused his legal practice on representing individuals and families who have suffered serious injuries or loss due to the wrongful conduct of others. Raised in a hard-working union fam...

Patrick J. Hagerty is a native of St. Louis. He completed his undergraduate studies at Quincy College in 1981. He received his law degree in 1985 from Saint Louis University School of Law, and served as an editor of the Saint Louis University Law Journal. Mr. Hagerty is licensed to practice in Missouri and Illinois, and in federal district courts and courts of appeal in Missouri, Illinois, Michigan, Arkansas and the Sixth, Seventh and Eighth Circuits. He serves on the Board of Governors of th...

Hannah F. Preston is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Hannah F., who practices law in St. Louis, Missouri, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hannah F. is held by other top lawyers in the same geographic and legal practice area.