Theresa Appelbaum

Michael J. Angelides is a partner at Simmons Hanly Conroy and focuses his practice on asbestos litigation. He previously served as the firm’s managing shareholder. Mike’s litigation track record includes growing the firm’s reputation as a national leader in asbestos litigation, representing victims of mesothelioma against some of the largest companies in the nation. As a leader in asbestos litigation, Mike has presented at both of the profession’s leading asbestos liti...

James G. Thomeczek is a lawyer recognized by Best Lawyers in the practice area of Education Law. James G. practices law in St. Louis, Missouri Best Lawyers has recognized James G. Thomeczek since 2016. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which James G. Thomeczek is held by other lawyers.

Kari is a founding member of O'Leary, Shelton, Corrigan, Peterson, Dalton & Quillin LLC. Her practice includes all aspects of personal injury litigation, including: catastrophic injuries, many of which result in amputations; wrongful death claims; products claims; premises liability cases; auto and trucking accidents; all-terrain and side by side/utility-task vehicle accidents; forklift accidents; electrocution and power line cases; construction accidents; workplace accidents; and workers...

Richard A. Mueller is a lawyer recognized by Best Lawyers in the practice areas of Mass Tort Litigation / Class Actions - Defendants and Product Liability Litigation - Defendants. Richard A. practices law in St. Louis, Missouri Best Lawyers has recognized Richard A. Mueller since 2009. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Richard A. Mueller is he...

Teneil Kellerman is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation - Plaintiffs. Teneil practices law in St. Louis, Missouri Best Lawyers has recognized Teneil Kellerman since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Teneil Kellerman is held by other lawyers.

Erin E. Williams is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Management and Litigation - Labor and Employment. Erin E. practices law in St. Louis, Missouri Best Lawyers has recognized Erin E. Williams since 2020. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Erin E. Williams is held by other lawyers.

Mat Eilerts has gained a reputation as a skilled and knowledgeable Family Law attorney in Missouri and Illinois. Having specialized in Family Law for almost 20 years, Mat has handled thousands of domestic relations cases in the St. Louis Metropolitan area, including high conflict and complex dissolution of marriage and custody matters. He possesses a unique style in the area of Family Law due to his experience as not only a successful litigator, but as a trained and experienced mediator and g...

Mr. Cohen concentrates his practice in the areas of commercial litigation, real estate, domestic relations, general business representation, and employment law. Mr. Cohen handles a variety of litigation matters in both federal and state court, as well as in administrative hearings and mediation and arbitration proceedings. He has tried numerous jury and non-jury cases. His litigation practice involves the ongoing representation of business clients, as well as individuals. Mr. Cohen’s li...

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...

Jonathan Marks , Family Law Attorney in the St. Louis area, received his Juris Doctorate in 1997 from the University of Missouri – Columbia. Jonathan is admitted to practice in the State of Missouri, the State of Illinois, the United States District Court for the Eastern District of Missouri, the United States District Court for the Western District of Missouri, the United States District Court for the Southern District of Illinois, the United States District Court for the Central Distr...