Mark E. Goodman

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...

Celynda L. Brasher is a founding shareholder of the firm. She practices in the areas of education, litigation, and labor and employment law. Celynda represents numerous school districts throughout Missouri. She regularly advises boards of education and administrators on matters involving employee hiring, evaluation, remediation, and termination; student rights and discipline; special education; school finance; civil rights; contracts; the Missouri Open Meetings Act; church/state issues; and a...

Kari is a founding member of O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC. Her practice includes all aspects of personal injury litigation, including: catastrophic injuries, many of which result in amputations; wrongful death claims; products claims; premises liability cases; auto and trucking accidents; all-terrain and side by side/utility-task vehicle accidents; forklift accidents; electrocution and power line cases; construction accidents; workplace accidents; and workers...

Mr. Keller is a member in our wealth strategies and corporate practice areas. He concentrates his practice in estate planning, probate and general business, corporate law and succession planning. Mr. Keller is an adjunct professor at the Washington University School of Law in the Master's of Taxation Program where he teaches a class in business succession planning. Mr. Keller is a frequent lecturer and speaker on estate planning, business succession planning and tax issues. He has authored ar...

Thomas J. O’Toole, Jr. is a founding member of the law firm of Mickes O’Toole, LLC. He chairs the firm’s Business and Corporate Group, while his practice focuses on real estate, specializing in zoning/land use, condemnation and real estate transactions. He received both his undergraduate degree (1979) and law degree (1985) from St. Louis University. Tom is a respected leader in the St. Louis legal and business community. For nearly 30 years, he has built a solid reputation f...

Jim Layton joined the firm in 2017 after serving more than 22 years in the Missouri Attorney General’s Office—nearly all of those as the State’s principal civil appellate lawyer, Solicitor General. Jim practices in both appellate and trial courts, particularly in matters involving complex legal questions, including those arising under the U.S. and Missouri constitutions, Missouri school funding and other education statutes, discrimination laws, and Missouri tax laws. He repr...

Jennifer Woulfe is a trusted litigator who defends individuals, corporations, and governmental entities in Missouri and Illinois state and federal courts. Her practice includes automobile liability, highway design, premises liability, product liability, and insurance law, with appellate experience before the Missouri Court of Appeals. Recognized by peers for her professionalism, Jennifer has received the John C. Shepherd Professionalism Award and serves her second term as a member of the Theo...

Sarah Kuehnel is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Sarah, 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 Sarah is held by other top lawyers in the same geographic and legal practice area.

Victor Essen is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law, Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Victor, 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 Victor is held by other top lawyers in the same geographic and legal practice area.

Stuart J. Vogelsmeier is a business lawyer and represents health care providers, owner-operated businesses and individuals in Missouri, Illinois and throughout the Midwest. He practices health law and corporate law. Mr. Vogelsmeier has been involved in every phase of the life of business. This includes dealing with structuring businesses, buying and selling businesses, providing regulatory advice, negotiating contracts and leases, structuring joint ventures, as well as providing planning advi...