In June 2012, Timothy Chung was promoted from the rank of Major to Lieutenant Colonel and appointed as the Assistant Director of the Criminal Investigations Division. In July 2015, Department of Public Safety Director Frank Milstead appointed Lt. Colonel Chung as the Assistant Director of the Technical Services Division.
Lt. Colonel Chung began his law enforcement career at the La Paz County Sheriff’s Office in Parker, Arizona, in June 1986, where he held the positions of jailer, dispatcher, patrol deputy, investigator, and sergeant.
In December 1991, Lt. Colonel Chung joined the ranks of DPS and has held various assignments in each of the Department’s operational and support divisions. As an officer, his first assignment was patrolling the Quartzsite/Parker area. In 1994, he relocated to Phoenix and held assignments in the Vehicle Theft Investigations Unit and the Special Investigations Unit.
In 1998, he was promoted to the rank of Sergeant and was assigned to the Highway Patrol Division’s District Eight, in Nogales, Arizona, until he transferred back to Phoenix to oversee the Special Investigations Unit in 2000. In 2002, Lt. Colonel Chung was promoted to the rank of Lieutenant and led the Major Crimes Investigation District. He transferred to an administrative staff position in the Criminal Justice Support Division, currently the Technical Services Division, in 2005. In 2007, he was responsible for forming the Immigration Enforcement District and led the multi-agency Illegal Immigration Prevention and Apprehension Co-op Teams (IIMPACT) and Arizona Fraudulent Identification Task Force.
In 2008, Lt. Colonel Chung was promoted to the rank of Major overseeing the Gang Enforcement Bureau which comprised the statewide multi-agency Gang and Immigration Intelligence Team Enforcement Mission (GIITEM). He served as Chief of Staff/Executive Officer for the Technical Services Division from 2009 to 2011. From 2011 until his promotion to Lt. Colonel, he worked within the Director’s Office overseeing the Management Services Bureau.
Lt. Colonel Chung has had many accomplishments, received numerous awards, and served on numerous work groups at the Department. He earned his Certified Public Manager national certification from Arizona State University and is a graduate of Northwestern University’s School of Police Staff and Command, the International Association of Chiefs of Police Leadership in Police Organizations, and the Harvard Kennedy School’s Senior Executives in State and Local Government. He holds an Associate in Applied Science Degree in Law Enforcement Technology, a Bachelor of Science Degree in Occupational Education, majoring in Human Services, and a Masters Degree in Public Administration, specializing in Government Administration.
Lt. Colonel Chung’s additional duties and responsibilities include:
Governor-appointed member of the Arizona Department of Homeland Security Regional Advisory Council-Central Region since August 2012;
- Governor-appointed state representative on the SEARCH, the National Consortium for Justice Information and Statistics, Membership Group since June 2015;
- CJIS Systems Officer and member of the CJIS Western Working Group since June 2015;
- Arizona’s representative for the National Law Enforcement Telecommunications System (Nlets) since June 2015; and
- Governor-appointed First Responder Network Authority (FirstNet) State Single Point of Contact (SPOC) since October 2015.