Marcus Sprague retired after 25 years of service at the rank of Lieutenant.  He served at a Police Department in the North Bay of California.  He was on his department's tactical team for over 12 years serving in a variety of assignments to include, Sniper, Team Leader and Tactical Commander.  Marcus has taught Tactical Science for Field Command and other SWAT and tactical-related subjects for CATO.  He currently serves as the Vice President of CATO and can be heard as the host of the CATO podcast.  Marcus is a member of the adjunct faculty at the Santa Rosa Junior College, where he teaches critical incident management for supervisors, and the South Bay Regional Public Safety Training Consortium, where he teaches Tactical Strategies for Managers.  He holds a master’s degree from the University of San Diego in Law Enforcement and Public Safety Leadership.  He has served on the POST curriculum development groups for the California SWAT Guidelines, Supervisor School, and Management School.  Marcus has worked as an expert witness related to police procedures and best practices for using force and deploying tactical teams.