John B. Greenberg

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.

Thomas J. O’Toole, Jr. is a founding member of the law firm of Mickes O’Toole, LLC. He chairs the firm’s Business and Corporate Group, while his practice focuses on real estate, specializing in zoning/land use, condemnation and real estate transactions. He received both his undergraduate degree (1979) and law degree (1985) from St. Louis University. Tom is a respected leader in the St. Louis legal and business community. For nearly 30 years, he has built a solid reputation f...

John Kemppainen has more than 30 years of courtroom experience defending clients in Missouri and Illinois. He is AV-rated by Martindale-Hubbell, recognized as a Missouri Super Lawyer, and has been named one of the Top Lawyers in Missouri by the St. Louis Post Dispatch . His practice includes personal injury, products liability, wrongful death, class actions, and toxic torts, with clients ranging from insurers and corporations to municipalities and individuals. He also serves as National Coord...

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...

Mollie G. Mohan practices primarily in the areas of labor & employment and higher education with an emphasis on litigation and appeals. Mollie represents colleges, universities, and private employers in labor and employment matters at the administrative, trial, and appellate level. Prior to joining the firm, Mollie worked at a large-sized litigation firm in Saint Louis. While in law school, Mollie was a student law clerk to the Honorable Jean C. Hamilton of the United States District Cour...

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...

Richard Elias is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs and Personal Injury Litigation - Plaintiffs. Richard, 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 Richard is held by other top lawyers in the same geographic and legal practice area.

Jeffrey Dunn is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Medical Malpractice Law - Defendants and Personal Injury Litigation - Defendants. Jeffrey, 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 Jeffrey is held by other top lawyers in the same geographic and legal practice area.

Richard D. McNelley is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Richard D., 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 Richard D. 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.