The Fond du Lac Sheriff’s Office promoted Rachel Biertzer to the position of Staff Sergeant/Huber Work Release Supervisor in January, 2019.  Biertzer attended Moraine Park Technical College from 1996-1998, studying in the Correctional Science Program.  Biertzer started her career as Correctional Officer with the Fond du Lac County Sheriff’s Office in 2002.  In 2006 she promoted to Sergeant, supervising second shift and then first shift in 2013.  She was appointed Medical Liaison and Volunteer Coordinator in 2018.  Biertzer also serves the agency as a CPR and Narcan Instructor.  Biertzer was appointed Juvenile Superintendent July 2023.