Mickey Petersen serves as a Tucson Police Department Assistant Chief of Police, overseeing the Special Services and Innovation Bureau. Assistant Chief Petersen hails from Tucson and joined the department in 1996 as a Community Service Officer. After becoming a patrol officer, he has served in a variety of assignments and positions, including academy staff, Field Response Unit officer, detective, Office of Professional Standards sergeant, and lieutenant. In January of 2022, he was assigned as the division commander in Operations Division South until his promotion to Assistant Chief in August of 2024.
Assistant Chief Petersen served in the United States Marine Corps on active duty and the United States Navy Reserve. Assistant Chief Petersen earned a degree in Emergency Management at the American Military University and a graduate degree in Educational Leadership at Northern Arizona University.