Timothy E. Kastner

Timothy Sansone is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. Timothy, 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 Timothy is held by other top lawyers in the same geographic and legal practice area.

AJ Bruning – Attorney at Law AJ Bruning is a nationally recognized trial lawyer and founding attorney at The Bruning Law Firm in St. Louis, Missouri. For more than two decades, AJ has dedicated his career to representing individuals and families injured by negligence, workplace accidents, and unsafe products. His practice focuses on workers’ compensation , personal injury , and catastrophic injury claims , where he has built a reputation for securing meaningful results for his cli...

John Challis is the Managing Partner at Kembell Woods & Martinsen, where he advocates for individuals and businesses in a wide range of contested matters. With a focus on fiduciary litigation and administration, John is recognized for delivering outstanding results for his clients through negotiation, mediation, and litigation. ​He counsels clients on fiduciary relationships, disputed administration, will and trust contests, and asset transfer disputes, drawing on substantial trial and ap...

Brent A. Sumner is the Managing Partner at Sumner Law Group, LLC. He focuses his practice exclusively on cases that involve serious personal injuries. Over the years, he has successfully represented thousands of individuals and families, recovering millions of dollars in compensation for injured accident victims. As an experienced litigator, Brent stresses how important it is to have an attorney who is prepared to go to trial in a serious personal injury case. Insurance companies need to know...

Rachel Shenker is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Rachel, who practices law in Clayton, Missouri, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Rachel 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...

Adina Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Insurance Law. Adina, who practices law in Clayton, Missouri, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Adina is held by other top lawyers in the same geographic and legal practice area.

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

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...

Gretchen Garrison graduated from the University of Missouri in 1982 with a degree in Hospital Administration. She earned her law degree from the University of Missouri-Kansas City in 1986, where she served as managing editor of the UMKC Law Reviewand on the Moot Court Board. Ms. Garrison is admitted to practice before all Missouri state courts, the U.S. District Court for the Eastern District of Missouri and the Eighth Circuit Court of Appeals. She has appeared before every appellate court in...