William D. "Bill" O'Neill

Gary A. Growe is a 1977 graduate of the George Washington University National Law Center. He has spent his entire professional career devoted to civil litigation and civil trial work. He has handled a wide variety of civil cases, including commercial litigation (including breach of contract cases, franchise litigation, securities litigation, anti-trust litigation and security transaction litigation), personal injury litigation (covering product liability, medical negligence, automobile litiga...

Ian Cooper serves clients in employment, higher education, commercial, and tort matters. Ian regularly serves as lead counsel in significant cases, including class actions and other complex litigation and has tried numerous jury and bench trials in Missouri and Illinois. He has argued cases before the Missouri Supreme Court, the Illinois Supreme Court, the Missouri and Illinois Courts of Appeal, and the United States Courts of Appeal for the Seventh and Eighth Circuits and has briefed importa...

Luther W. Simmons, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Luther W., who practices law in Alton, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Luther W. is held by other top lawyers in the same geographic and legal practice area.

Kenneth C. Brostron is in his 44th year of trial work. He defends health care providers and attorneys in professional negligence claims. He counsels businesses and government agencies in all aspects of their operations. He is also well-known for his work in education law, as well as state and United States constitutional matters. Mr. Brostron has been chief negotiator in labor discussions and lead counsel in a wide variety of complex litigation. His clients rely on his negotiation skills incl...

Michael K. Daming is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Real Estate Law. Michael K., 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 Michael K. is held by other top lawyers in the same geographic and legal practice area.

A former federal prosecutor with extensive investigation and first chair trial experience, Michelle Nasser focuses her practice on white collar criminal defense, internal and government investigations, and complex litigation. Before joining the firm, Michelle served for more than 13 years as an assistant U.S. attorney in the Major Case, Financial Crimes, General Crimes, and Violent Crimes sections of the U.S. Attorney’s Office in Chicago. She led and supervised government investigations...

I have been handling serious injury and death cases for more than a decade. I focus exclusively on representing clients injured in tractor trailer accidents, charter bus accidents, school bus accidents, car accidents, motorcycle accidents, and other traumatic events that cause serious injury or death. Landmark Professional Achievements: I have recovered well over $20 million for injury victims. I have been honored by many lawyers and judges with Martindale-Hubbell’s AV Peer Review Ratin...

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...

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

Mark H. Levison is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Copyright Law. Mark H., 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 Mark H. is held by other top lawyers in the same geographic and legal practice area.