Mark Warren

Mark Warren is executive vice president and director of training for Strategos International (www.strategosintl.com).

He served in law enforcement in multiple jurisdictions including the Blue Springs, Mo., Police Department, where he finished his career with the rank of sergeant. Warren also worked as an undercover officer for the Jackson County, Mo., Drug Task Force. Before joining civilian law enforcement, Warren served in the U.S. Army as a military police officer. He has trained thousands of students in security through Strategos, the Surefire Institute and the Western Missouri Public Safety Institute.

He is the co-author, with Vaughn Baker, of "Active Threat: Workplace 911."