Heyl Royster

Dillon Borri

Edwardsville, IL

Joined Firm in 2022

Dillon believes the rule of law is intended to promote stability, and as a lawyer, it is his responsibility to ensure the rule of law serves the interests of justice.

  • Dedicated, resilient, and creative
  • Former Assistant State's Attorney for the Madison County State's Attorney Office
  • Member of Southern Illinois School of Law Mock Trial Team 
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Dillon Borri

Attorney in Edwardsville, IL

Dedicating his practice to casualty/tort litigation, trucking, product liability, toxic tort, and asbestos, Dillon Borri joined the firm's Edwardsville office in 2022. Prior to joining Heyl Royster, Dillon served as an Assistant State's Attorney for the Madison County State's Attorney Office. During his tenure, he prosecuted hundreds of cases ranging from traffic violations to Class A misdemeanors and tried more than 20 bench and multiple jury trials to verdict. 

Dillon received his J.D. from Southern Illinois University School of Law in 2021, where he was a member of the Mock Trial Team, competing in national competitions testing in oral advocacy. Further, he spent his summers between law school as a law clerk at Land of Lincoln Legal Aid, representing indigent individuals throughout rural areas of southern Illinois, and as a 711 intern for the Madison County State's Attorney's Office. During Dillon's third year of law school, Dillon spent a semester working for the Honorable Justice Mark M. Boie on the 5th District Illinois Appellate Court, where he drafted multiple Rule 23 Orders.

Dillon is an active member in the Madison County Bar Association and the Alton/Wood River Bar Association.



J.D., Southern Illinois School of Law

B.S., Southern Illinois University

Licensure(s) and Admission(s)

State Courts of Illinois

State Courts of Missouri

United States District Court for the Southern District of Illinois

Professional Affiliations

Alton/Wood River Bar Association

Madison County Bar Association

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