Mark D. Grimm

Adam D. Hirtz is a principal and the office litigation manager in the St. Louis, Missouri, office of Jackson Lewis P.C. He prides himself on being a responsive, strategic and creative advocate and counselor for the firm’s clients. Adam has more than 25 years of experience as a trial attorney representing businesses in employment litigation in both state and federal courts throughout the country. He also acts as a mediator, including regularly mediating cases for the Equal Employment Opp...

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...

E. Ryan Bradley is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation - Plaintiffs. E. Ryan practices law in St. Louis, Missouri Best Lawyers has recognized E. Ryan Bradley since 2026. 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 E. Ryan Bradley is held by other lawyers.

Terrence J. O'Toole, Jr. is a lawyer recognized by Best Lawyers in the practice areas of Insurance Law, Medical Malpractice Law - Defendants and Personal Injury Litigation - Defendants. Terrence J. practices law in St. Louis, Missouri Best Lawyers has recognized Terrence J. O'Toole, Jr. since 2021. 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 Terrence J....

Chad Reis is a skilled trial lawyer and focuses his practice on employment law, representing clients in employment litigation before juries in state and federal courts and before state and federal administrative agencies. He has a broad range of employment trial experience, including claims involving: Discrimination Harassment Whistleblowing and retaliation Wage and hour matters Chad represents numerous national and local employers in the following industries: Retail Hospitality Construction ...

Jennifer Znosko is a lawyer recognized by Best Lawyers in the practice area of Litigation - Labor and Employment. Jennifer practices law in Clayton, Missouri Best Lawyers has recognized Jennifer Znosko since 2027. 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 Jennifer Znosko is held by other lawyers.

Jim Layton joined the firm in 2017 after serving more than 22 years in the Missouri Attorney General’s Office—nearly all of those as the State’s principal civil appellate lawyer, Solicitor General. Jim practices in both appellate and trial courts, particularly in matters involving complex legal questions, including those arising under the U.S. and Missouri constitutions, Missouri school funding and other education statutes, discrimination laws, and Missouri tax laws. He repr...

Penney Rector is a lawyer recognized by Best Lawyers in the practice area of Education Law. Penney practices law in St. Louis, Missouri Best Lawyers has recognized Penney Rector since 2026. 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 Penney Rector is held by other lawyers.

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...

Derek P. Ruzicka focuses his trial practice in a diverse range of areas, with an emphasis in complex litigation. He has handled 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. Whether through dismissal, favorable trial verdicts, or reasonable case resolutions, he has successfully handled many difficult matters through completion. Derek’s experience is extensive...