William D. "Bill" O'Neill

Don O’Keefe has over 25 years of experience as a trial lawyer. In all, he has tried more than 100 cases to verdict in state and federal courts in Missouri and Illinois and arbitrations before the American Arbitration Association and United States Arbitration and Mediation. Don has argued before appellate courts in both Missouri and Illinois and has been before the Missouri Supreme Court on multiple cases. Don is a member of many prominent legal and state bar organizations including the ...

Hannah F. Preston is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Hannah F., 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 Hannah F. is held by other top lawyers in the same geographic and legal practice area.

Richard W. Hill III practices in the areas of health care law and corporate law, with an emphasis on regulatory defense, health care fraud and abuse compliance, corporate transactions, as well as the negotiation and drafting of various software, equipment, and professional service agreements. He advises a broad array of healthcare providers, from hospitals, skilled nursing facilities, and assisted living facilities to individual physicians, nurses, and counselors. Rich advises clients on vari...

Stephen M. Strum is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Health Care, Litigation - Insurance, Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Stephen M., who practices law in St. Louis, Missouri, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen M. is held by other top lawyers in the same geographic and legal practice area.

Shareholder Perry Browder is head of the Asbestos Department at Simmons Hanly Conroy. He has worked for more than 30 years helping numerous families resolve hundreds of million dollar-plus cases. He started at the firm in 2001 and played a key role in helping the firm develop a national reputation. Within a few years, he had successfully secured one of the largest asbestos verdicts in the country, a $250 million verdict against U.S. Steel. Today, Perry manages the firm’s more than 50 as...

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

Hallie Van Duren is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law, Family Law and Family Law Mediation. Hallie, who practices law in St. Louis, Missouri, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hallie is held by other top lawyers in the same geographic and legal practice area.

Jonathan P. Soifer is a top attorney recognized by Best Lawyers in the practice area(s) of Copyright Law, Litigation - Intellectual Property, Patent Law and Trademark Law. Jonathan P., who practices law in Clayton, Missouri, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jonathan P. 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.

Mr. Keller is a member in our wealth strategies and corporate practice areas. He concentrates his practice in estate planning, probate and general business, corporate law and succession planning. Mr. Keller is an adjunct professor at the Washington University School of Law in the Master's of Taxation Program where he teaches a class in business succession planning. Mr. Keller is a frequent lecturer and speaker on estate planning, business succession planning and tax issues. He has authored ar...