There for You Every Step of the Way

John (Jack) M. Leahy

Attorney at Law

Attorney John M. Leahy graduated Indiana University - Bloomington with a Bachelor of Arts in Political Science. He went on to receive his Juris Doctor from the University of Dayton School of Law. He is a member of the Greene County Bar Association, Ohio State Bar Association, and Ohio Association of Criminal Defense Lawyers.

Mr. Leahy is admitted to practice law in the State of Ohio, as well as the United States District Court for the Southern District of Ohio.

Prior to joining Peterson & Peterson, Mr. Leahy practiced law in a busy criminal defense firm in downtown Dayton, representing clients throughout the Miami Valley as well as protecting the rights of clients in the United States District Court. Mr. Leahy has experience representing every degree of felony in the State of Ohio.

"It's important to relax and not be in a rush to resolve the issue at hand — we'll do this together for the best possible result."

In addition to his criminal defense experience, Mr. Leahy has vigorously protected the rights of clients in Divorce, Child Support, Child Custody, and Personal Injury.

Mr. Leahy currently resides in Dayton. He is an avid sports fan who prefers to spend his time away from the office on any one of the local Greene County golf courses.

Bar Admissions

  • Ohio State Bar

  • U.S. District Court - Southern District of Ohio


  • J.D. - University of Dayton School of Law

  • B.A. Political Science - Indiana University