Administration/Command

Chief of Police- Rich St. John

Chief of Police Rich St. John joined Billings Police Department in 1981. During his tenure, Chief St. John rose through the ranks of patrol and investigations to Sergeant in 1989. He served as a Lieutenant in Patrol, Investigations and Operations between 1991 and 2004. He was Captain of Operations until being promoted to Deputy Chief in 2005 and Chief in 2006. Chief St. John has led the Bomb Squad, SWAT Team and was a Hostage Negotiator. He is a 1994 graduate of the FBI National Academy. 

Assistant Chief of Police-Shawn Mayo

ACOP Shawn Mayo began his career with the Billings Police Department in 2001. He worked night and noon shifts as a patrol officer until his promotions to sergeant in 2007. During his time as a sergeant, he continued to work in the Patrol Division until he transferred to the Detective Division in 2013. Mayo worked as a detective sergeant until his promotion to lieutenant in 2015. Since then, he had served in the patrol division as a shift lieutenant. In 2022, Captain Mayo retired from SWAT as the SWAT commander after nearly 18 years on the team. After serving a brief stint as the Captain of Investigation, Mayo was promoted to the Assistant Chief of Police in February of 2025. 

Captain of Professional Standards- Brian Krivitz

Captain Brian Krivitz attended the University of Montana, graduating with a bachelor’s degree.  Brian started his law enforcement career in 2004, working in Glendale, Arizona.  In 2007, Brian was hired by the Billings Police Department and worked in the uniform patrol division until 2013 when he was promoted to the detective division.  In 2015, Brian was promoted to sergeant where he worked as a night shift commander and then in 2016, Brian transferred back to the detective division as a detective sergeant.  In 2018, Brian was promoted to lieutenant where he served as afternoon shift lieutenant and later as detective division lieutenant.  Brian was promoted in 2024 and currently serves as the Captain of Professional Standards.  Brian retired from the SWAT Team in 2020, after serving over ten years.  

Captain of Investigations-Matt Lennick

Captain Matt Lennick started his law enforcement career in 2004 as a deputy with the Musselshell County Sheriff’s Office.  Matt then transferred to the Billings Police Department in 2006.  During his time with the PD Matt worked as a patrol Officer, spending time on all three shifts, and became a Field Training Officer in 2010.  In 2013 Matt was selected as a Downtown Resource Officer focusing on program development and public relations.  Matt was promoted to Sergeant in 2016 and returned to the patrol shifts supervising teams on the afternoon and night shift while he supervised the Taser program, and became the Field Training Coordinator for the department until 2021.  In 2021 Matt was promoted to Lieutenant and managed a patrol shift until 2022 when he was assigned as the Administrative Lieutenant, overseeing the hiring and training of both sworn and civilian positions, the department’s testing and selections for specialty positions, the Community Service Officers, the volunteer program, the Crime Prevention Center, policy drafting and updates, public relations, and served as the department’s Public Information Officer.  Matt was promoted to Captain in March of 2025 and now oversees the department’s Investigative Division. 

Captain of Operations- Brandon Wooley

Captain Brandon Wooley serves at the Captain of the Operations Division for the Billings Police Department. With 18 years of dedicated law enforcement experience Captain Wooley is committed to community safety, service, professionalism, and leadership. During his career, Captain Wooley has served in a variety of capacities, including patrol officer, Field Training Officer, firearms instructor, detective in the drug unit, FBI Task Force Officer, Drug Task Force Commander, Administrative Lieutenant, and Patrol Lieutenant. In 2017, he was recognized by the department as Supervisor of the Year.  In 2024, he retired from SWAT as the SWAT Commander after 14 years on the team. A graduate of the FBI National Academy, Captain Wooley holds a Bachelor’s degree with a focus in Organizational Communications and Law Enforcement Leadership from MSU-Billings.