Chief St. John began his career in 1981 with six years as a Billings patrol officer. He was appointed as a Juvenile Division Detective in 1987, and a Sergeant in the Patrol Division in 1989. From 1991 to 2004, he was a Lieutenant in the Patrol and Investigations Divisions. As part of a restructuring of the Police Department, he was named Captain of the Operations Division in 2004.
While in the Operations Division, he commanded the City’s SWAT Team, Bomb Squad, and Hostage Negotiations team. In May of 2005 he was named Deputy Chief and Chief in October of 2005. During his career, he has been named the American Legion’s Officer of the Year, Administrator of the Year and the Supervisor of the Year for the Billings Police Department, and recognized by Montana’s Chief’s of Police association as Administrator of the Year for 2006. Chief St. John currently holds executive positions on the Rocky Mountain High Intensity Drug Traffic Area (HIDTA), and the Intermountain West Regional Computer Forensics Laboratory.
St. John has a Masters of Public Administration degree in criminal justice from City University in Bellevue Wash., and an undergraduate degree from Rocky Mountain College in Billings. He is a 1994 graduate of the FBI National Academy, and has attended many other professional courses, including the FBI Hazardous Devices School and the IACP Internal Affairs and Professional Standards School.