Kenneth A. "Ken" Slavens

John Barnerd is a Partner at Simmons Hanly Conroy. He joined the firm in 2002 as mesothelioma and asbestos attorney, and today is a member of the firm’s management committee. He previously served for two years as an Assistant State’s Attorney for Madison County, Ill. John earned his bachelor’s degree in accounting from Illinois College and graduated with his J.D. from Saint Louis University School of Law. In 2010, Chicago Lawyers Magazine recognized him as a top 40 Under 40 ...

M. Graham Dobbs graduated with honors from Saint Louis University School of Law in 2000, where he served as a Student Editor of the Journal of Health and Hospital Law, was a member of the Health Law Association, and completed the school’s nationally recognized Health Law Certificate program. Mr. Dobbs also received an Academic Achievement Award in Evidence, and served as an intern at the U.S. District Court, Eastern District of Missouri. He obtained his BSN, nursing undergraduate degree...

I became a trial lawyer because I trust myself to never give up on someone I am fighting for. It’s that simple. Once I agree to represent someone, that’s what I do. Tirelessly. No matter what. Whatever it takes. Until we win. You can ask every client I’ve ever represented—they’ll tell you that the road to seeking justice (and I mean full justice) includes every terrain. There are challenges to overcome, battles to fight, and elation to feel when we we’ve me...

John Kemppainen has more than 30 years of courtroom experience defending clients in Missouri and Illinois. He is AV-rated by Martindale-Hubbell, recognized as a Missouri Super Lawyer, and has been named one of the Top Lawyers in Missouri by the St. Louis Post Dispatch . His practice includes personal injury, products liability, wrongful death, class actions, and toxic torts, with clients ranging from insurers and corporations to municipalities and individuals. He also serves as National Coord...

James Corrigan is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. James, 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 James is held by other top lawyers in the same geographic and legal practice area.

Shareholder Amy Garrett brings more than 22 years of litigation experience to her leadership role as Assistant Managing Partner at Simmons Hanly Conroy. She has developed a fierce reputation for protecting the rights of her asbestos and complex litigation clients both in and out of the courtroom. “I have a genuine interest in every person’s story and feel like it’s my job to give our clients the power to fight for themselves and their families,” Amy said. During Amy&rs...

Allison Gerli is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law, Family Law and Family Law Mediation. Allison, 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 Allison is held by other top lawyers in the same geographic and legal practice area.

For more than two decades, Tony has passionately committed himself to protecting the patents and intellectual property of clients all over the United States. His opponents have included some of the largest companies in the world, including Google, Yahoo, Microsoft, and more. Thanks to his dedication to the law and skillful application of its principles, he has stood against these industry giants and successfully protected the interests of his clients each time. He represents a uniquely divers...

Margaret A. Hesse primarily practices in the areas of education law, employment law, and litigation. She has represented school districts in employment matters, including Title VII, the Safe Schools Act, Title IX, the Americans with Disabilities Act, the Age Discrimination in Employment Act, and the Equal Pay Act. She has represented employers in labor matters before the United States Department of Labor/Wage and Hour Division, the Illinois Commission on Human Rights and the Illinois Educatio...

Patricia D. Gray is a partner at Muhm & Reilly, LLC. She received a B.S.N. degree from the University of Cincinnati in 1963 and a J.D. from Washington University in 1981. She is admitted to practice in Missouri and the U.S. Tax Court, and is a member of the Missouri Bar Association, the American Bar Association, the Bar Association of Metropolitan Saint Louis and the Women Lawyer’s Association. Ms. Gray is a Fellow of the American College of Trust and Estate Counsel, a former Adjunc...