Teresa "Traci" Pupillo

Derek P. Ruzicka focuses his trial practice in a diverse range of areas, with an emphasis in complex litigation. He has handled cases in a number of difficult venues, from the City of St. Louis, Missouri, to Madison and St. Clair Counties, in Illinois, and Federal Court in East St. Louis and St. Louis. Whether through dismissal, favorable trial verdicts, or reasonable case resolutions, he has successfully handled many difficult matters through completion. Derek’s experience is extensive...

Seth G. Gausnell has 30 years of experience as a trial lawyer. In total, he has tried more than 100 cases to verdict. He received a B.S. in Business Administration from the University of Kansas in 1983 and received his J.D. in 1985 from Saint Louis University Law School. Seth was admitted to the Bar in Missouri in 1986; the Bar in Kansas in 1987; and the Bar in Illinois in 1988. He is also admitted to practice in the United States District Court in the Eastern District of Missouri, Western Di...

Litigator James G. Martin defends corporations and individuals facing high-stakes, complex business lawsuits, white collar criminal charges, and allegations of corporate governance and compliance violations. A former U.S. attorney for the Eastern District of Missouri, Jim is regularly lead defense counsel in class action and civil litigation matters, including SEC fraud and healthcare fraud in False Claims Act (FCA) litigation. Corporations also call on him to lead internal investigations rel...

Kevin Lake is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Kevin, 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 Kevin is held by other top lawyers in the same geographic and legal practice area. Kevin is a St. Louis, Missouri native and third-generation lawyer. He earned his B.A. in English from Brigham Young University (BYU) in 199...

Don O’Keefe has over 25 years of experience as a trial lawyer. In all, he has tried more than 100 cases to verdict in state and federal courts in Missouri and Illinois and arbitrations before the American Arbitration Association and United States Arbitration and Mediation. Don has argued before appellate courts in both Missouri and Illinois and has been before the Missouri Supreme Court on multiple cases. Don is a member of many prominent legal and state bar organizations including the ...

Erin E. Williams is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Erin E., who practices law in St. Louis, Missouri, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Erin E. is held by other top lawyers in the same geographic and legal practice area.

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...

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...

John G. Simon is the founder of The Simon Law Firm, P.C. He received both his undergraduate (1983) and law degree (1986) from Saint Louis University. John handles many types of cases including product liability, medical malpractice, wrongful death, and commercial litigation. During his career John has obtained more than 150 verdicts and settlements over $1 million, including 15 over $10 million and one over $100 million. On two occasions, John had the highest verdict in the state of Missouri....

Matthew J. Madsen’s practice includes the representation of affluent private clients in the structure and implementation of complex estate and wealth transfer planning strategies, estate and trust administration and litigation, and audits of gift and estate tax returns. Mr. Madsen advises private clients on their charitable giving strategies, ranging from charitable pledge agreements, donor-advised funds, supporting organizations to private foundations. Mr. Madsen similarly advises tax-...