Commander Doerzaph, began his Aurora Police career in March 1993. He has worked in Patrol, Special Operations, Central Services, and also served on the North Central Narcotics Task Force. In addition, he supervised the APD Narcotics Unit including the Aurora investigators assigned to numerous federal and state task forces.
Doerzaph was promoted to Sergeant in 2003, Lieutenant in 2008, and Commander in January 2016. He graduated in 1987 from Naperville Central High School and in 1991 from Illinois State University with a Bachelor of Science degree in Criminal Justice and a minor in Sociology. He also graduated from the School of Police and Staff and Command at Northwestern University.