David A. Sosne

Erin E. Williams is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Erin E., who practices law in St. Louis, Missouri, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Erin E. is held by other top lawyers in the same geographic and legal practice area.

Bridgette N. Fu is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Bridgette N., 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 Bridgette N. is held by other top lawyers in the same geographic and legal practice area.

Mr. Rolnicki practices Intellectual Property law in the firm's Business Services group. He is registered with the U.S. Patent and Trademark Office and is a former Patent Office Primary Examiner. He has extensive experience in preparing and prosecuting patent and trademark applications in the United States and in many foreign countries. Mr. Rolnicki's patent preparation and prosecution experience encompasses technologies including aircraft components, conveyor systems, footwear, gear transmiss...

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...

Robert T. Haar is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Bet-the-Company Litigation, Commercial Litigation, Criminal Defense: White-Collar and Legal Malpractice Law - Defendants. Robert T., who practices law in St. Louis, Missouri, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert T. is held by other top lawyers in the same geographic and legal practice area.

Litigator James G. Martin defends corporations and individuals facing high-stakes, complex business lawsuits, white collar criminal charges, and allegations of corporate governance and compliance violations. A former U.S. attorney for the Eastern District of Missouri, Jim is regularly lead defense counsel in class action and civil litigation matters, including SEC fraud and healthcare fraud in False Claims Act (FCA) litigation. Corporations also call on him to lead internal investigations rel...

Jonathan Marks , Family Law Attorney in the St. Louis area, received his Juris Doctorate in 1997 from the University of Missouri – Columbia. Jonathan is admitted to practice in the State of Missouri, the State of Illinois, the United States District Court for the Eastern District of Missouri, the United States District Court for the Western District of Missouri, the United States District Court for the Southern District of Illinois, the United States District Court for the Central Distr...

Debra K. Schuster has practiced Elder and Disability law since 1999, having practiced health law since 1991. Ms. Schuster’s practice focuses on elder law issues , a growing area of law with few experienced practitioners. Ms. Schuster works with and advises social workers, geriatric and care managers, financial planners and accountants, psychiatrists and geriatric physicians about incapacity issues and financial exploitation. Ms. Schuster’s practice focuses on multi-disciplinary co...

Diane Robben is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Diane, 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 Diane 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...