Sam Wallach

John Fox Arnold has served as general counsel and special counsel to public agencies, represented firms engaged in the underwriting and public offering of securities, and has represented developers and owners during acquisition and construction of governmental, commercial and urban redevelopment projects. In addition, he has structured sales tax rebate, tax abatement and tax increment financing transactions, and served as counsel in tax-incentivized transactions. Mr. Arnold has served as bond...

Throughout his career, Michael Dalton has devoted 100% of his work to fighting on behalf of injury victims and has collected tens of millions in settlements and judgments on behalf of victims and their families. A Missouri native, Michael attended the University of Missouri-Columbia for undergrad and law school. At Mizzou, Michael earned a bachelor’s degree in Political Science and a minor in English. He continued his education at Mizzou Law and was a writer for the Journal of Dispute R...

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...

Katherine E. Henry is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Katherine E., who practices law in St. Louis, Missouri, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine E. is held by other top lawyers in the same geographic and legal practice area.

Robert L. Ortbals Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals and Litigation - Labor and Employment. Robert L., who practices law in St. Louis, Missouri, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert L. is held by other top lawyers in the same geographic and legal practice area.

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...

Patricia J. Martin is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Patricia J., who practices law in Clayton, Missouri, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patricia J. is held by other top lawyers in the same geographic and legal practice area.

Kelly J.H. Murrie represents major corporations in complex product liability, commercial litigation and employment matters. She appears in state and federal courts, including challenging venues such as the City of St. Louis and Jackson County in Missouri, and Madison and St. Clair counties in Illinois. Kelly also handles corporate internal investigations and white collar defense. Focusing primarily on high-exposure product liability lawsuits, Kelly represents manufacturers and suppliers in th...

Michael Quillin is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Michael, who practices law in St. Louis, Missouri, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael 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...