David Hejmanowski is a judge in the Delaware County (Ohio) Probate/Juvenile Court, where he previously served as a juvenile/probate magistrate and juvenile court administrator. He is an instructor at the Ohio Supreme Court Judicial College, where he teaches juvenile and family law, among other topics. He also worked as an assistant prosecuting attorney in the Delaware County Prosecutor's Office. Among other professional activities, Judge Hejmanowski is a member of the Ohio Judicial Conference Juvenile Law and Procedure Committee, the Governor's Council on Juvenile Justice, and the National Council of Juvenile and Family Court Judges' Curriculum Committee. Mr. Hejmanowski was chair of the Delaware County Bar Association's Juvenile Committee from 2006 to 2015. He received a bachelor's degree in political science from Hiram College and a law degree from Ohio State University.