Mariquita L. Barbieri

Derek P. Ruzicka focuses his trial practice in a diverse range of areas, with an emphasis in complex litigation. He has handled 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. Whether through dismissal, favorable trial verdicts, or reasonable case resolutions, he has successfully handled many difficult matters through completion. Derek’s experience is extensive...

Adam D. Hirtz is a principal and the office litigation manager in the St. Louis, Missouri, office of Jackson Lewis P.C. He prides himself on being a responsive, strategic and creative advocate and counselor for the firm’s clients. Adam has more than 25 years of experience as a trial attorney representing businesses in employment litigation in both state and federal courts throughout the country. He also acts as a mediator, including regularly mediating cases for the Equal Employment Opp...

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

Glenn E. Davis is a top attorney recognized by Best Lawyers in the practice area(s) of Antitrust Law, Commercial Litigation, Franchise Law, Information Technology Law, Litigation - Antitrust, Litigation - Intellectual Property, Litigation - Mergers and Acquisitions and Litigation - Securities. Glenn E., who practices law in St. Louis, Missouri, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Glenn E. is held by...

Joshua E. Douglass is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law and Education Law. Joshua E., 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 Joshua E. is held by other top lawyers in the same geographic and legal practice area.

With a passion for protecting injury victims, Anne offers counsel to those who have been hurt due to the negligence of others. Anne has also published numerous works and presented several seminars, demonstrating her legal skill, understanding and expertise. Whether you were hurt due to a doctor’s negligence or because of a defective product, you need an advocate like Anne on your side.

Melissa G. Nolan is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Melissa G., 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 Melissa G. is held by other top lawyers in the same geographic and legal practice area.

Brian Cooke is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Brian, who practices law in Alton, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian is held by other top lawyers in the same geographic and legal practice area.

Cary J. Mogerman is a Fellow of the American Academy of Matrimonial Lawyers (AAML) and Past President of the national organization (2022). He was honored to be recognized as the AAML "Fellow of the Year" for 2018-19. He is one of the 100 Diplomates of the American College of Family Trial Lawyers (ACFTL). He has been listed in "Best Lawyers" since 1999, and named its "Lawyer of the Year, Family Law, St. Louis" three times: 2024, 2019, and 2009. He is also a Fellow of the International Academy ...

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...