Peter A. Gianino

A former federal prosecutor with extensive investigation and first chair trial experience, Michelle Nasser focuses her practice on white collar criminal defense, internal and government investigations, and complex litigation. Before joining the firm, Michelle served for more than 13 years as an assistant U.S. attorney in the Major Case, Financial Crimes, General Crimes, and Violent Crimes sections of the U.S. Attorney’s Office in Chicago. She led and supervised government investigations...

John Simmons founded the firm in 1999 with seven employees and a focus on asbestos litigation. Under his leadership, the firm has expanded to more than 250 employees, including more than 80 attorneys, spread between five offices in Alton, St. Louis, New York, San Francisco and Los Angeles. John has overseen some of the biggest verdicts and settlements in the history of asbestos litigation. The firm’s first trial involved a roofer and former Shell Oil employee diagnosed with mesothelioma...

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

John Comerford handles all phases of complex, high-exposure business litigation, employment discrimination defense and corporate internal investigations. He represents and counsels Fortune 500 companies, senior-level executives and government employees. John is a first chair trial lawyer. He tries cases to verdict in state and federal courts and through any appeals. His clients include major electronic equipment suppliers, healthcare providers, large retailers, energy companies, and business ...

Heidi Kuns Durr is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Heidi Kuns, 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 Heidi Kuns 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 ...

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.

Mark Piontek is a top attorney recognized by Best Lawyers in the practice area(s) of Municipal Law. Mark, 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 Mark is held by other top lawyers in the same geographic and legal practice area.

I became a trial lawyer because I trust myself to never give up on someone I am fighting for. It’s that simple. Once I agree to represent someone, that’s what I do. Tirelessly. No matter what. Whatever it takes. Until we win. You can ask every client I’ve ever represented—they’ll tell you that the road to seeking justice (and I mean full justice) includes every terrain. There are challenges to overcome, battles to fight, and elation to feel when we we’ve me...

Joan Lockwood graduated with honors from Boston College in 1990 with bachelor's degrees in finance and human resource management. She earned her law degree from Saint Louis University in 1993, again graduating with honors. She served as a staff member of the Saint Louis University Law Journal and Editor of the "Health Law Edition." She was elected into the Order of the Woolsack, a scholastic honorary association. Ms. Lockwood is admitted to practice before all Missouri state courts, the U.S. ...