As of January 3, 2022, Elizabeth A. Hirz is the first woman to serve as District Attorney in Erie County, Pennsylvania. A native of Falconer, New York (Chautauqua County), Hirz graduated from Grove City College and received her law degree from Ohio Northern University Pettit College of Law in Ada, Ohio. She was admitted to the New York State bar in 1998 and the Pennsylvania bar in 1999.

Hirz started her career at the Erie County Courthouse as a law clerk for the Honorable Judge Shad Connelly in 1998. After a brief time practicing in the private sector, Hirz began her career in the District Attorney’s Office in 2002 as an Assistant District Attorney (ADA), under District Attorney Bradley Foulk. In 2004, Hirz was promoted to Deputy District Attorney, then Chief Deputy District Attorney in 2009. In 2013, former District Attorney Jack Daneri named Hirz as his First Assistant District Attorney.

Throughout her 20 years in the District Attorney’s Office, Hirz has prosecuted a wide array of criminal cases, including homicides and major felonies. Since 2004, Hirz has also been prosecuting child physical and sexual abuse cases.

Beyond her work as District Attorney, Hirz serves on the boards of the Bradley Foulk Children's Advocacy Center, Erie County Bar Association, Fairview Parks and Rec Authority, and Mercy Center for Women. She has also been a volunteer and mentor with the Attorneys and Kids Together Program since 2004.

District Attorney Hirz now oversees an office of 16 Assistant District Attorneys, 9 County Detectives, and 10 legal secretaries and support personnel.