Officer Brandon Sierra has been in law enforcement for 11 years. He began his career as a patrolman in the North St. Louis County Precinct. Later, he served as a school resource officer in the Hazelwood School District for five and a half years. During that time, Officer Sierra volunteered as a basketball and track coach in addition to hosting sports camps during school breaks. Officer Sierra was selected to join the PAL unit in January of 2017.

Officer Sierra conducts PAL activities in the following school districts: Hazelwood, Ferguson- Florissant, Lindbergh, Affton, and the Special School District of St. Louis County. His love for all things related to sports and fitness is the main bridge between himself and the kids across the region. You can find him engaging students in PE classes on a daily basis.