Matthew P. "Matt" Diehr

Andrew Ryan is a top attorney recognized by Best Lawyers in the practice area(s) of Product Liability Litigation - Defendants. Andrew, who practices law in St. Louis, Missouri, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew 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...

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.

John R. Fenley was named a partner in 2019. He practices in the areas of family law and criminal defense. He received his bachelor’s degree in communication and political science from DePauw University and his law degree from Saint Louis University. While in law school, Mr. Fenley served as a staff member and editor for the Saint Louis University Law Journal. He also interned with the St. Louis County Prosecuting Attorney’s office before joining Reinker, Hamilton & Piper, LLC....

Vincent D. Reese focuses his practice on labor, employment, and education law, in addition to commercial litigation. Vince has successfully litigated employment discrimination claims based on race, sex, age, disability, religion, national origin, and pregnancy in Missouri and Illinois State Courts as well as many federal district courts around the country. Vince has extensive experience in representing his clients’ interests with respect to investigations conducted by the U.S. Equal Emp...

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

Benjamin W. Powell is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants and Product Liability Litigation - Defendants. Benjamin W., who practices law in Edwardsville, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Benjamin W. is held by other top lawyers in the same geographic and legal practice area.

Seth G. Gausnell has 30 years of experience as a trial lawyer. In total, he has tried more than 100 cases to verdict. He received a B.S. in Business Administration from the University of Kansas in 1983 and received his J.D. in 1985 from Saint Louis University Law School. Seth was admitted to the Bar in Missouri in 1986; the Bar in Kansas in 1987; and the Bar in Illinois in 1988. He is also admitted to practice in the United States District Court in the Eastern District of Missouri, Western Di...

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.

John G. Simon is the founder of The Simon Law Firm, P.C. He received both his undergraduate (1983) and law degree (1986) from Saint Louis University. John handles many types of cases including product liability, medical malpractice, wrongful death, and commercial litigation. During his career John has obtained more than 150 verdicts and settlements over $1 million, including 15 over $10 million and one over $100 million. On two occasions, John had the highest verdict in the state of Missouri....