Special Weapons and Tactics - Hostage Negotiation Team - Team Leader
Peer Support Team Member
Timeline
Jose Rivera
Pittsburg
Summary
Dynamic and results-driven Police Sergeant with extensive experience at the Kensington Police Department. Expert in incident management and crisis intervention, successfully enhancing public safety through effective policy enforcement and community engagement. Proven ability to lead teams and conduct thorough investigations, ensuring compliance and fostering trust within the community.
Overview
29
29
years of professional experience
Work History
Police Sergeant
Kensington Police Department
Kensington
07.2024 - Current
Supervised and coordinated the activities of patrol officers; implemented departmental policies and procedures. Provided guidance, direction, instruction, and training to subordinate personnel in their performance of duties.
Deputy Sheriff Sergeant - Health Services Security
Contra Costa County Office of the Sheriff
Martinez
01.2018 - 06.2024
Assigned to the Contra Costa County Office of the Sheriff Special Operations Bureau as a supervisor overseeing deputies and Sheriff’s Rangers within a county hospital and Employment & Human Services Departments. Responsible for ensuring security, enforcing laws, and maintaining order within these critical facilities. Managed personnel assignments, supervised incident response, and coordinated with hospital staff and department administrators to address security concerns. Investigated disturbances, oversaw emergency operations, and ensured compliance with department policies and procedures. Provided leadership through training, performance evaluations, and mentoring to enhance team effectiveness. Dedicated to public safety, crisis management, and fostering a secure environment for employees, patients, and the public.
Deputy Sheriff Sergeant - Promoted
Contra Costa County Office of the Sheriff
Martinez
07.2011 - 06.2024
Assigned to the Contra Costa County Office of the Sheriff Patrol & Detention Division responsible for supervising and coordinating the activities of deputies to ensure public safety and efficient department operations. Duties include overseeing patrol assignments, responding to critical incidents, conducting investigations, and enforcing local, state, and federal laws. Provided leadership through training, mentoring, and evaluated personnel performance while ensuring adherence to department policies and procedures. Engaged with the community to foster positive relationships and crime prevention efforts. Skilled in crisis management, report preparation, and courtroom testimony, with a commitment to maintaining order and upholding justice.
Deputy Sheriff Sergeant
Contra Costa County Office of the Sheriff
Martinez
10.2016 - 01.2018
Supervised and coordinated the activities of Valley Station county patrol deputies to ensure public safety and efficient department operations. Duties included: overseeing patrol assignments, responding to critical incidents, conducting investigations, and enforcing local, state, and federal laws. Provided leadership through training, mentoring, and evaluated personnel performance while ensuring adherence to department policies and procedures. Engaged with the community to foster positive relationships and crime prevention efforts. Skilled in crisis management, report preparation, and courtroom testimony, with a commitment to maintaining order and upholding justice.
Danville Police Department - Contract City
Contra Costa County Office of the Sheriff
Danville
03.2012 - 09.2016
Law enforcement supervisor responsible for patrol officers in the Town of Danville, ensuring public safety and effective law enforcement operations. Responsible for managing patrol shifts, responding to major incidents, and providing guidance on traffic accident investigations, DUI enforcement, and traffic law violations. Coordinated with city officials and community stakeholders to address public concerns and enhance traffic safety initiatives. Lead, trained, and evaluated patrol officers to maintain high performance standards and compliance with department policies. Committed to proactive policing, crime prevention, and fostering strong community relations.
Deputy Sheriff Sergeant - Detention Division
Contra Costa County Office of the Sheriff
Martinez
07.2011 - 03.2012
Newly promoted law enforcement supervisor responsible for overseeing facility operations and ensuring the care, custody, and control of sentenced county inmates. Managed daily jail functions, supervised correctional staff, and enforced department policies to maintain security and order within the facility. Oversaw inmate intake, classification, housing assignments, and rehabilitation programs while ensuring compliance with legal and procedural standards. Responded to incidents, conducted investigations, and provided leadership through training and performance evaluations. Dedicated to maintaining a safe and structured environment for staff, inmates, and the community.
Deputy Sheriff - Investigations Division
Contra Costa County Office of the Sheriff
Martinez
09.2007 - 07.2011
Assigned to the Contra Costa County Office of the Sheriff, Investigation Division, Special Victims specializing in cases involving sexual assault, child abuse, and other sensitive crimes. Provided advocacy for victims by coordinating with support services, conducting forensic interviews of minors in accordance with best practices, and ensuring a trauma-informed approach to investigations. Led complex investigations, including interviewing victims, witnesses, and suspects, collecting and processing evidence, and canvassing neighborhoods for leads. Authored and executed search and Ramey warrants to obtain critical case evidence, working closely with forensic specialists and crime labs. Collaborated with prosecutors to build strong cases for criminal prosecution, testifying in court as needed. Conducted follow-up investigations to ensure all leads were thoroughly explored. Responded to homicide scenes and officer-involved protocol incidents, securing evidence, documenting crime scenes, and coordinating with multi-agency teams to ensure investigative integrity. Dedicated to justice, victim advocacy, and the meticulous pursuit of truth in highly sensitive and complex cases.
Deputy Sheriff - Contract Town of Oakley
Contra Costa County Office of the Sheriff
Oakley
03.2005 - 09.2007
Oakley Police Department investigator responsible for conducting thorough criminal investigations and providing advocacy for victims of violent crimes. Managed CLETS entries to track wanted persons, restraining orders, and stolen property. Led interviews with victims, witnesses, and suspects to gather critical case information. Collected and processed evidence, authored and executed search and Ramey warrants, and collaborated with forensic specialists to support prosecutions. Conducted field interviews, canvassed neighborhoods, and performed follow-up investigations to develop leads and strengthen cases. Worked closely with the District Attorney’s Office to ensure successful prosecution of offenders. Responded to multiple homicide scenes with the Contra Costa County Sheriff’s Homicide Team, assisting with crime scene management, evidence preservation, and suspect apprehension. Additionally, participated in Officer-Involved Protocol incidents, ensuring investigative integrity and compliance with legal standards. Committed to public safety, justice, and providing comprehensive investigative support to the Town of Oakley community.
Deputy Sheriff - Contract Town of Oakley
Contra Costa County Office of the Sheriff
Oakley
07.2003 - 02.2005
Assigned to the Contract Town of Oakley, I was committed to community-oriented policing and public safety. Patrolled assigned areas to prevent and respond to criminal activity, enforce laws, and engage with the community to build trust and enhance public relations. Conducted traffic and DUI enforcement, investigated traffic accidents, and enforced Health and Safety Codes to ensure a safe environment. Responded to emergency calls, disturbances, and in-progress crimes, assessing situations and taking appropriate enforcement action. Completed detailed reports, gathered evidence, and testified in court as needed. Proactively identified and addressed community concerns, working closely with residents, businesses, and local organizations to implement crime prevention strategies. Dedicated to maintaining order, reducing crime, and enhancing the quality of life for the Oakley community.
Deputy Sheriff - Patrol Division
Contra Costa County Office of the Sheriff
Martinez
07.2002 - 07.2003
Assigned to County Patrol Division, Muir & Valley Station, where I provided community-oriented policing and public safety. Patrolled unincorporated assigned areas to prevent and respond to criminal activity, enforce laws, and engage with the community to build trust and enhance public relations. Conducted traffic and DUI enforcement, investigated traffic accidents, and enforced Health and Safety Codes to ensure a safe environment. Responded to emergency calls, disturbances, and in-progress crimes, assessing situations and taking appropriate enforcement action. Completed detailed reports, gathered evidence, and testified in court as needed. Proactively identified and addressed community concerns, working closely with residents, businesses, and local organizations to implement crime prevention strategies.
Deputy Sheriff - Detention Division
Contra Costa County Office of the Sheriff
Martinez
05.1999 - 06.2002
Assigned to the Contra Costa County Office of the Sheriff Detention Division, responsible for the care, custody, and control of unsentenced inmates in a direct supervision setting. Monitored inmate behavior, enforced facility rules, and ensured a secure and orderly environment. Conducted inmate intake, classification, searches, and housing assignments while maintaining detailed records. Responded to emergencies, disturbances, and medical situations, utilizing de-escalation techniques, and appropriate use of force when necessary. Coordinated with medical staff, mental health professionals, and legal representatives to address inmate needs and compliance with legal standards. Conducted security checks, contraband searches, and maintained facility safety through regular inspections. Dedicated to upholding institutional security, maintaining professional conduct, and ensuring the welfare of both staff and inmates.
Police Recruit
Southwestern College - P.O.S.T. Academy
San Diego
01.1998 - 12.1998
Underwent extensive law enforcement training to develop the skills and knowledge required for a career in policing. Studied and applied California Penal Codes, Vehicle Codes, Health and Safety Codes, and Welfare and Institutions Codes to enforce laws effectively. Received comprehensive firearms training, defensive tactics instruction, and emergency vehicle operations (EVOC) training to ensure officer and public safety. Developed proficiency in radio communication protocols for effective coordination with dispatch and fellow officers. Trained in report writing to accurately document incidents, investigations, and enforcement actions. Committed to mastering the fundamentals of law enforcement, ethical decision-making, and community-oriented policing to serve and protect the public with professionalism and integrity.
Deputy Sheriff - Detention Division
Yuma County Sheriff's Office
Yuma
08.1996 - 12.1997
Assigned to the Yuma County Sheriff's Detention Division, responsible for the care, custody, and control of unsentenced inmates in a direct supervision setting. Monitored inmate behavior, enforced facility rules, and ensured a secure and orderly environment. Conducted inmate intake, classification, searches, and housing assignments while maintaining detailed records. Responded to emergencies, disturbances, and medical situations, utilizing de-escalation techniques, and appropriate use of force when necessary. Coordinated with medical staff, mental health professionals, and legal representatives to address inmate needs and compliance with legal standards. Conducted security checks, contraband searches, and maintained facility safety through regular inspections. Dedicated to upholding institutional security, maintaining professional conduct, and ensuring the welfare of both staff and inmates.
Deputy Sheriff - Detention Academy
Yuma County Sheriff's Office
Yuma
08.1996 - 09.1996
Completed approximately 240 hours of intensive in-house training to develop the necessary skills for a career in detention services. Studied Arizona Penal Codes, Vehicle Codes, and Health and Safety Codes to ensure proper enforcement within a correctional setting. Received hands-on training in defensive tactics, verbal de-escalation techniques, and radio communication to effectively manage inmate interactions and maintain facility security. Developed proficiency in report writing for accurate documentation of incidents and daily operations. Learned and applied direct supervision principles to oversee the care, custody, and control of unsentenced inmates, ensuring compliance with facility regulations and safety protocols. Dedicated to upholding security, professionalism, and inmate welfare within the detention environment.
Crisis Intervention Team (CIT) instructor responsible for training officers in crisis intervention techniques to effectively manage encounters with individuals experiencing mental health crises. Provided instruction on de-escalation strategies, recognizing signs of mental illness, and utilizing appropriate communication techniques to reduce the need for force. Conducted scenario-based training to enhance officers' ability to assess situations, ensure public and officer safety, and connect individuals with appropriate mental health resources. Collaborated with mental health professionals, community organizations, and law enforcement agencies to improve crisis response and promote compassionate policing. Dedicated to enhancing officer preparedness, reducing use-of-force incidents, and fostering positive interactions between law enforcement and the community.
Special Weapons and Tactics - Hostage Negotiation Team - Team Leader
A sixteen and a half (16.5) year assignment with the Contra Costa County Office of the Sheriff - Special Weapons & Tactics - Hostage Negotiations Team responsible for leading crisis negotiations in high-risk situations, including hostage rescues, armed barricades, and suicidal individuals. Provided leadership and strategic oversight to the negotiation team, coordinating with SWAT operators, command staff, and mental health professionals to de-escalate volatile incidents. Developed and executed negotiation strategies, leveraging advanced communication techniques, psychological tactics, and rapport-building to achieve peaceful resolutions. Conducted training for negotiators and first responders, ensuring preparedness for crisis incidents. Authored after-action reports and debriefings to improve future response tactics. Committed to preserving life, minimizing risks, and ensuring the safe resolution of critical incidents through expert negotiation and crisis management skills.
Peer Support Team Member
Selected to Contra Costa County Office of the Sheriff Peer Support Team, providing emotional and professional support to fellow deputies facing personal or job-related stress. Served as a confidential resource for officers coping with critical incidents, mental health challenges, and workplace stressors. Assisted in crisis intervention, offering guidance on stress management, trauma recovery, and wellness resources. Facilitated peer support training, debriefings, and outreach programs to promote officer well-being and resilience. Worked closely with mental health professionals, chaplains, and departmental leadership to ensure deputies received necessary support while maintaining confidentiality and trust.
Timeline
Police Sergeant
Kensington Police Department
07.2024 - Current
Deputy Sheriff Sergeant - Health Services Security
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