Mark A. Thomas

Julie Siegel is an attorney with Siegel Injury Law serving clients in St. Louis, Missouri, and the surrounding communities. Her practice focuses on Personal Injury Litigation - Plaintiffs , workers’ compensation law , and family law. Since earning her law degree from Saint Louis University in 1996, Julie has represented individuals and families facing difficult legal and personal challenges. Julie believes effective legal representation begins with understanding each client’s goal...

Matthew J. Madsen’s practice includes the representation of affluent private clients in the structure and implementation of complex estate and wealth transfer planning strategies, estate and trust administration and litigation, and audits of gift and estate tax returns. Mr. Madsen advises private clients on their charitable giving strategies, ranging from charitable pledge agreements, donor-advised funds, supporting organizations to private foundations. Mr. Madsen similarly advises tax-...

Mayer S. Klein is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), 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.

Patrick O’Brien has been a trial lawyer representing the rights of injured railroad workers for more than thirty (30) years. He has dedicated his professional career to helping those who have been injured through the negligence of others. Patrick has tried cases to verdict in 15 states and has represented railroad workers from all crafts. Patrick has developed a specialty in handling occupational injury and toxic exposure illness claims under the FELA and has achieved numerous substanti...

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...

Allison Gerli is a top attorney recognized by Best Lawyers in the practice area(s) of Collaborative Law: Family Law, Family Law and Family Law Mediation. Allison, 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 Allison is held by other top lawyers in the same geographic and legal practice area.

Lisa A. Pake 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, Insurance Law, Legal Malpractice Law - Defendants, Litigation - Insurance and Professional Malpractice Law - Defendants. Lisa A., who practices law in St. Louis, Missouri, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lisa A...

Melanie A. Renken is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Melanie A., who practices law in St. Louis, Missouri, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Melanie A. is held by other top lawyers in the same geographic and legal practice area.

Michelle J. Spirn is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Michelle J., who practices law in St. Louis, Missouri, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michelle J. is held by other top lawyers in the same geographic and legal practice area.

Leonard J. Frankel is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law Mediation and Mediation. Leonard J., who practices law in Clayton, Missouri, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Leonard J. is held by other top lawyers in the same geographic and legal practice area.