Jonathan Casteline is an adjunct faculty member in the Department of Criminology, Law, and Society. Mr. Casteline currently works for the City of Manassas Police Department and holds the rank of Sergeant. He has served the City of Manassas for approximately one decade with roles in both the Patrol Services Division and the Administrative Services Division. During his career, he has held numerous assignments within the police department such as Emergency Services Unit, Honor Guard, Field Trainer, and as an Instructor (both Generalized and Driving). Mr. Casteline's current role within the department is a patrol street supervisor. Previously, he was assigned to the training and recruitment unit within the Special Project's Section, which includes the Community Services Unit and was in charge of hiring. Mr. Casteline is also a Public Information Officer with the department which communicates with the public all necessary information in order to provide quick, clear, and transparent facts or education. Prior to serving as a law enforcement officer, Mr. Casteline served his community in various other roles and served in the United States Marine Corps. for eight years.
Mr. Casteline is currently a member of the International Association of Chiefs of Police and the Fraternal Order of Police.