Meet the Chief



Martin G. Rivera is a native Californian raised in Lakewood Ca. He started his Public Safety career in 1983 as a member of the US Army Military Police working in Mannheim, Germany and The Disciplinary Barracks at Fort Leavenworth, Kansas.  

During his 20-year career with the Army National Guard he worked a variety of specialized assignments including Special Response Team and an Army Liaison to the Federal Law Enforcement Training Center.  He went on to multiple deployments in support of Operation Iraqi Freedom and Operation Enduring Freedom, he currently is a Master Sergeant responsible for the evaluation and implementation of Military Police training programs, including policy development, and the statewide training infrastructure.

Chief Rivera started his tenure as a Hospital Police Officer at Metropolitan State Hospital in March of 2001. Chief Rivera has promoted through the ranks and most recently served as the Operations Lieutenant at DSH-Metropolitan.

Chief Rivera is a graduate of the San Bernardino Sheriff’s Academy, and a recent graduate of the Government Leadership Program at Sacramento State University

Chief Rivera possesses a Masters’ Degree in Health Sciences, with an emphasis in Emergency Management.


Message from the DSH Police Chief - Metropolitan State Hospital

The Department of State Hospitals-Metropolitan State Hospital Police is committed to providing professional, fair, compassion-oriented police services that are sensitive to the needs within our community and to ensure the safety and security of those we serve. We will provide safety and security services for our clientele, visitors, staff and property while maintaining respect for individual constitutional rights. We will respect the dignity of all persons and conduct contacts with courtesy and compassion. We will recognize our interdependent relationship with those we serve, and above all remain sensitive to their needs and priorities. Our success will be measured by the confidence, support, and sense of security and wellbeing of the community we serve.