Robert Mann served as a member of the Orange County Sheriff’s Department (CA) for twenty-five years until he retired from law enforcement in March of 2014.  He began his law enforcement career after serving in the United States Marine Corps.  Robert has been involved in training for well over twenty-five years, having been a Field Training Officer, a full-time Arrest and Controls Techniques Instructor, and the Training Officer for a full-time Bomb Squad, as well as having over twenty years of experience as adjunct faculty at Santa Ana and Golden West Colleges.  He has been a nationally certified IADLEST instructor and is certified as a Master Instructor through California POST.  Over the course of his law enforcement career, Robert has been a hostage negotiator, a bomb technician, and served for 13 years as the team leader for the county-wide Tactical Explosive Breach Element for SWAT.  He worked assignments in General Investigations, Special Investigations, and Internal investigations.  Robert is a recipient of the Orange County Sheriff’s Department Medal of Courage for an on-duty incident.  

As the founder and principal of Semper Fi Professional Development, Inc., Robert works with government agencies and private organizations to improve individual and team performance and create organizational accountability systems.

He has been an instructor and course coordinator within the California POST Instructor Development Institute and the Robert Presley Institute of Criminal Investigations.  He currently works as a Professional Development Consultant and Instructional Designer.  Robert is a member of the NENA instructional cadre and teaches courses in Transforming 9-1-1 Center Culture and Understanding Bias. Robert has had several articles published in the Journal of Emergency Dispatch, including Creating and Maintaining High Performing Teams.