William D. "Bill" O'Neill

Andrew Ryan is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. Andrew, 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 Andrew is held by other top lawyers in the same geographic and legal practice area.

Jared Howell is a distinguished trial attorney at Hamilton Weber, renowned for his masterful command of civil litigation defense. With a sharp focus on medical malpractice, premises liability, complex commercial disputes, and labor and employment law, Jared delivers unparalleled representation marked by precision, foresight, and unwavering commitment to his clients’ success. His strategic acumen and meticulous approach to unraveling intricate legal challenges have earned him a reputatio...

Ann E. Bauer is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law, Family Law and Family Law Mediation. Ann E., who practices law in St. Louis, Missouri, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ann E. is held by other top lawyers in the same geographic and legal practice area.

Mayer S. Klein is a top attorney recognized by Best Lawyers in the practice area(s) of Closely Held Companies and Family Businesses Law and Litigation - Real Estate. Mayer S., who practices law in Clayton, Missouri, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mayer S. is held by other top lawyers in the same geographic and legal practice area.

William M. Lawson is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management, Labor Law - Management and Litigation - Labor and Employment. William M., who practices law in St. Louis, Missouri, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William M. is held by other top lawyers in the same geographic and legal practice area.

Richard D. Watters advises all types of health care clients from large hospital systems to individual physicians, nurses and other health care professionals on various matters including general health care laws and regulations, business operations, contracting, governance and corporate issues, licensing/regulatory compliance, the Stark Law, fraud and abuse, EMTALA, Certificates of Need, medical staff issues, practice and business acquisitions, joint ventures, Medicare and Medicaid conditions ...

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

Kenneth W. Bean 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. Kenneth W., who practices law in St. Louis, Missouri, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kenneth W. is held by other top lawyers in the same geographic and legal practice area.

Randall J. Reinker is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Construction Law. Randall J., 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 Randall J. is held by other top lawyers in the same geographic and legal practice area.

John Challis is the Managing Partner at Kembell Woods & Martinsen, where he advocates for individuals and businesses in a wide range of contested matters. With a focus on fiduciary litigation and administration, John is recognized for delivering outstanding results for his clients through negotiation, mediation, and litigation. ​He counsels clients on fiduciary relationships, disputed administration, will and trust contests, and asset transfer disputes, drawing on substantial trial and ap...