Judge J. Timothy Campbell received his Bachelor of Science Degree from Xavier University and his Juris Doctorate Degree from the University of Cincinnati College of Law.

He practiced law for 37 years; served as an Assistant Greene County Prosecuting Attorney; Acting Judge in the Xenia Municipal Court; an arbitrator for the Greene County Common Pleas Court; Commissioner of the Greene County Park District; Board Member of Greene County Children Services Board and other educational and service boards.

He has been an instructor for professional education sponsors and is a faculty member of the RETS College and was an Adjunct Faculty Member in Business Law for Wilmington College.  He has also authored and published many articles and educational publications.

As a practicing attorney, he was admitted to all Ohio State Courts and the Federal District Court for the Southern District of Ohio, Western Division; the United States Sixth Circuit Court of Appeals and the United States Supreme Court.  He has served as past President of the Greene County Bar Association and is a member of the American Bar Association; Ohio State Bar Association; Greene County Bar Association; The Federalist Society; the American Judges Association; the Ohio Judicial Conference and the Ohio Common Pleas Judges Association.

In September 2002, he was appointed by the Governor of Ohio to the Greene County Common Pleas Court and has been re-elected twice to that position.