Mark A. Thomas

Michelle H. Basi practices primarily in the areas of education, special education, litigation, and labor and employment law. Michelle regularly advises school districts and charter schools on student matters, including special education and Section 504 compliance, First Amendment rights, Title IX compliance and student discipline. Michelle also advises schools districts and charter schools on employment matters, including Title VII, the ADA, the ADEA, the FMLA, and the Teacher Tenure Act. Mic...

Brad specializes in personal injury cases. His main focus is on tractor trailer accidents , auto accidents, bus accidents, product liability, and railroad accidents. Brad is an aggressive advocate for personal injury victims. He litigates and tries cases in state and federal courts across the United States. Brad is widely recognized by his peers for his strong, dedicated commitment to clients. He is the national recipient of the Best Advocate and the Lewis F. Powell Medal for Excellence in Ad...

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.

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....

William S. Thomas is one of the firm’s many experienced trial lawyers. His practice is diverse, with an emphasis in complex litigation. He has tried 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. He was lead trial counsel in one of the longest civil jury trials in St. Louis County history, which lasted 100 trial days. In addition to his trial practice, Bill is...

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...

David F. Neiers is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. David F., who practices law in Clayton, Missouri, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David F. is held by other top lawyers in the same geographic and legal practice area.

Jozef Kopchick is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Commercial Litigation. Jozef, who practices law in St. Louis, Missouri, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jozef is held by other top lawyers in the same geographic and legal practice area.

Benjamin W. Powell is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Benjamin W., who practices law in Edwardsville, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Benjamin W. 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...