Leo C. Chmielewski

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...

This year I was selected as Lawyer of the Year for 2016 by Mo. Lawyers Weekly. Also received award for 2nd largest defense verdict in Mo. for year 2015. ($50,000,000)

Diane Mispagel is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Diane, 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 Diane is held by other top lawyers in the same geographic and legal practice area.

“While it's not difficult to find an attorney, finding the “right” attorney with the right experience and track record isn't always easy. During my career, I have tried 140 jury trials to verdict and 40 bench trials to judgment. My cases have been consistently recognized by Missouri Lawyers Weekly in their listing of Top Defendant's Verdicts in the state. I've been selected by my peers for inclusion in the Best Lawyers in America, and Best Lawyers has awarded me with the 201...

J.C. Pleban is a top attorney recognized by Best Lawyers in the practice area(s) of Civil Rights Law, Commercial Litigation, Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. J.C., who practices law in St. Louis, Missouri, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which J.C. is held by other top lawyers in the same geographic and legal practice area.

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...

Kenneth P. Danzinger is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Plaintiffs and Workers' Compensation Law - Claimants. Kenneth P., 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 Kenneth P. is held by other top lawyers in the same geographic and legal practice area.

Attorney Taylor Kerns is a partner at Simmons Hanly Conroy who focuses his practice on asbestos litigation. He oversees a team of attorneys and legal staff, who represent individuals across the country suffering from asbestos-related diseases. He has helped secure millions of dollars on behalf of individuals and families impacted by mesothelioma and other asbestos-related diseases. As a trial team leader, Taylor is responsible for directing the legal strategy necessary for each case. He and h...

Mollie G. Mohan practices primarily in the areas of labor & employment and higher education with an emphasis on litigation and appeals. Mollie represents colleges, universities, and private employers in labor and employment matters at the administrative, trial, and appellate level. Prior to joining the firm, Mollie worked at a large-sized litigation firm in Saint Louis. While in law school, Mollie was a student law clerk to the Honorable Jean C. Hamilton of the United States District Cour...

John Fox Arnold has served as general counsel and special counsel to public agencies, represented firms engaged in the underwriting and public offering of securities, and has represented developers and owners during acquisition and construction of governmental, commercial and urban redevelopment projects. In addition, he has structured sales tax rebate, tax abatement and tax increment financing transactions, and served as counsel in tax-incentivized transactions. Mr. Arnold has served as bond...