Assistant Chief Jason Sieczkowski is a visionary leader in law enforcement with nearly two decades of dedicated service. His passion for making a positive impact in his community and changing lives took root during his childhood.
In 2006, right after graduating from Arizona State University with a Bachelor of Science in Agricultural Business, Assistant Chief Sieczkowski embarked on his law enforcement career with the Chandler Police Department.
His career started in the Field Operations Division, where he also worked as a Bike Officer, Motorcycle Traffic Officer, and Field Training Officer (FTO). He also served one tour of duty as a Recruit Training Officer (RTO) at the Arizona Law Enforcement Academy (ALEA).
Those impactful years of working directly with the residents of Chandler, especially the homeless population inspired Assistant Chief Sieczkowski to be an empathetic hands-on police leader focused on outreach, collaboration, and problem solving with the goal of improving the quality of lives of residents who were facing hardships in Chandler.
In 2017, Assistant Chief Sieczkowski was promoted to Sergeant. He returned to the Field Operations Division as a Patrol Sergeant and supervised multiple teams across different Chandler precincts. In 2018, Assistant Chief Sieczkowski took over the Bike Unit in the downtown precinct, where he focused his efforts on street crimes, quality of life issues, special events, and worked extensively with the homeless population. In 2019, Assistant Chief Sieczkowski supervised the day- shift Motorcycle Traffic Unit.
Later that year Assistant Chief Sieczkowski was promoted to Lieutenant and assigned as a Patrol Watch Commander with additional duties of managing the Field Training Program. Serving as a role-model to young police officers was a role Assistant Chief Sieczkowski took seriously. During his time in that position, Assistant Chief Sieczkowski led the expansion of the FTO program to a fully satellite model.
In 2021, Assistant Chief Sieczkowski was assigned to the Community Resources Section of the Operational Support Bureau. In this role, he supervised multiple units that included the Firearms Training Unit, Reserve Officers, Park Rangers, School Resource Officers, Crime Prevention Unit, Volunteer Program, Cadets, and Peer Support programs.
Assistant Chief Sieczkowski was promoted to Commander in 2022. In this role he supervised the Field operations Division of patrol officers, sergeants, and lieutenants. He then transferred over to supervise the Criminal Investigations Bureau in 2023. This role included supervision of the Criminal Investigations Bureau, Detention Operations, and SWAT.
Assistant Chief Sieczkowski was promoted to Assistant Chief over the Field operations bureau overseeing patrol and the Operational Support Bureau in 2024.
In addition to a Bachelor of Science degree, Assistant Chief Sieczkowski also holds a Master of Science in Leadership and Disaster Preparedness from Grand Canyon University. He is a graduate of Arizona State University’s Bob Ramsey School as a Certified Public Manager and has also completed the Northwestern School of Police Staff and Command.
Assistant Chief Sieczkowski currently serves on the EVIT Criminal Justice Advisory Board and previously served on the City of Chandler’s Human Relations Commission. He was named as a ‘40 under 40’ law enforcement leader by the International Association of Chiefs of Police in 2022.