Jackson D. "J.D." Glisson

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...

James O'Leary 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 2022. 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.

Maurice B. Graham is President of Gray Ritter Graham and concentrates his practice in the areas of complex business and commercial litigation and catastrophic injury and death cases. He is a frequent speaker and author in the areas of litigation and legal ethics. Mr. Graham was educated at Central Methodist University and the University of Missouri, where he received both his B.A. and J.D. degree. He is admitted to practice before the United States Supreme Court and the Fifth, Eighth and Nint...

Terrence J. O'Toole, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law, Medical Malpractice Law - Defendants and Personal Injury Litigation - Defendants. Terrence J., who practices law in St. Louis, Missouri, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Terrence J. is held by other top lawyers in the same geographic and legal practice area.

Robert Selsor is committed to representing, counseling, and protecting his clients in a variety of estate and trust disputes, including trustee claims, will and trust contests, estate asset recovery, contested guardianships, and a variety of other fiduciary claims at the trial and appellate levels. Bob also regularly advises and guides trustees and beneficiaries regarding ongoing trust administration to help them to avoid liability issues before disputes have fully materialized. He is also an...

Attorney Jo Anna Pollock is a Partner at Simmons Hanly Conroy in the Complex Litigation Department, where she focuses on public nuisance, class actions, sex abuse and environmental litigation. She devotes her practice to representing people, county governments and businesses that have been harmed through the wrongdoing of others. Jo Anna works on cases nationwide through all stages of the litigation process. She has spent the last 20 years in trial and appellate courts across the country secu...

Lyndon Sommer is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. Lyndon, who practices law in St. Louis, Missouri, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lyndon is held by other top lawyers in the same geographic and legal practice area.

Jennifer R. Piper attended the University of Missouri-Columbia where she earned a B.A. in political science, she then went on to receive her law degree from Saint Louis University School of Law. As an attorney, Jennifer has been distinguished by Missouri Lawyers Weekly as a Rising Star, Up and Coming Lawyer by Missouri Lawyers Weekly for 2009; a Rising Star, Up and Coming Lawyer for 2010-2015 by Missouri Super Lawyers; she has been named to The Best Lawyers in America® 2017-2025 in the pr...

Andrew Kasnetz is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Andrew, who practices law in Clayton, Missouri, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.

J. Philip Polster is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law and Trademark Law. J. Philip, who practices law in Clayton, Missouri, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J. Philip is held by other top lawyers in the same geographic and legal practice area.