Mariquita L. Barbieri

John Barnerd is a Partner at Simmons Hanly Conroy. He joined the firm in 2002 as mesothelioma and asbestos attorney, and today is a member of the firm’s management committee. He previously served for two years as an Assistant State’s Attorney for Madison County, Ill. John earned his bachelor’s degree in accounting from Illinois College and graduated with his J.D. from Saint Louis University School of Law. In 2010, Chicago Lawyers Magazine recognized him as a top 40 Under 40 ...

William S. Thomas is one of the firm’s many experienced trial lawyers. His practice is diverse, with an emphasis in complex litigation. He has tried 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. He was lead trial counsel in one of the longest civil jury trials in St. Louis County history, which lasted 100 trial days. In addition to his trial practice, Bill is...

Mr. Rolnicki practices Intellectual Property law in the firm's Business Services group. He is registered with the U.S. Patent and Trademark Office and is a former Patent Office Primary Examiner. He has extensive experience in preparing and prosecuting patent and trademark applications in the United States and in many foreign countries. Mr. Rolnicki's patent preparation and prosecution experience encompasses technologies including aircraft components, conveyor systems, footwear, gear transmiss...

Melanie Gurley Keeney practices in the areas of education, higher education, labor and employment, and immigration law. Her experience in education law includes representing school districts and institutions of higher education regarding various personnel and student matters, including tenure, terminations, discrimination, First Amendment, discipline, special education, Title IX, sexual discrimination, § 1983 claims, Open Meetings law, OCR complaints and other issues. Melanie represents ...

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...

Susan M. Dimond is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Insurance Law. Susan M., 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 Susan M. is held by other top lawyers in the same geographic and legal practice area.

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

Amy Bender-Levy is a member of the Firm’s family law department and is licensed to practice in Missouri and Illinois as well as the US District Court for the Eastern District of Missouri. Amy’s practice focuses on divorce, custody, modification, orders of protection, third-party custody, guardianship of adults and minors, and grandparents’ rights. Amy serves as a Guardian ad Litem representing the best interests of children in those cases in which she is appointed by the cou...

Aaron M. DeLong is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Transactions / UCC Law. Aaron M., 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 Aaron M. is held by other top lawyers in the same geographic and legal practice area.

As a Partner in the Asbestos Department, Paul supervises a team of attorneys and legal staff who handle mesothelioma cases filed throughout the United States. Paul and his team have represented hundreds of mesothelioma victims, recovering hundreds of millions of dollars in verdicts and settlements on their behalf. Managing the trial team is only part of Paul’s responsibilities. As an asbestos attorney, he personally handles all aspects of his clients’ cases, which can include inve...