Gregory A. Harrison


A member of the firm's Board of Directors, Greg is a proven litigator. First as a trial attorney with the United States Department of Justice, Commercial Litigation Branch (1985 - 1989) and since joining the firm in 1989, he has been extensively involved in the litigation of complex commercial litigation. His practice includes litigation of antitrust, insurance coverage, product liability, trade secret and other financial disputes. Having handled cases in more than 25 states, he serves as national coordinating counsel in insurance coverage and product liability matters. He also has significant experience with electronic discovery, computer technology and litigation management and support.

First exposed to the insurance industry through working at his family's independent insurance agency in his hometown of Wapakoneta, Ohio, Greg has litigated and counseled on all manner of insurance issues including insurance regulation, coverage, bad faith, and liquidation. He has been listed in The Best Lawyers in America since 2006 and AM Best's Recommended Insurance Attorneys since 2007.


  • University of Dayton School of Law  (J.D., magna cum laude, 1985)
    • University of Dayton Law Review, editor-in-chief (1984 - 1985)
    • Dean's Award for Legal-Writing Excellence (1984)
  • Bowling Green State University  (B.S., 1982)
    • Business Administration

Bar Admissions

  • Ohio

Court Admissions

  • U.S. Supreme Court
  • U.S. Court of Federal Claims
  • U.S. Court of Appeals for the Fourth Circuit
  • U.S. Court of Appeals for the Sixth Circuit
  • U.S. District Court for the Northern District of Ohio
  • U.S. District Court for the Southern District of Ohio


  • American Bar Association
  • Ohio State Bar Association
  • Cincinnati Bar Association, Grievance Committee
  • Defense Research Institute
  • Ohio Association of Civil Trial Attorneys
  • University of Dayton School of Law Dean's Advisory Council


  • Peer Review Rated AV in Martindale-Hubbell
  • Best Lawyers©
    • "Lawyer of the Year" in Cincinnati for Insurance Law (2012) 
    • "Lawyer of the Year" in Cincinnati for Litigation - Insurance (2020)
    • Commercial Litigation, Insurance Law, Litigation - Insurance (2021-2024)
  • Ohio Super Lawyers®
    • For Insurance Coverage (2021)
  • AM Best's Recommended Insurance Attorneys (2007- present)