Marc Brown
Hayward
Summary
Seasoned Executive Protection professional with 7 years of experience safeguarding high-profile clients in high-risk environments. Expertise includes threat assessment, close protection, and secure mobility, along with logistics coordination and venue security assessments. Collaborates effectively with law enforcement and internal teams to enhance safety measures. Holds multiple certifications, underscoring a commitment to proactive risk mitigation and operational integrity.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Protective Service Agent
Concentric Advisors
Mountain View
09.2025 - Current
- Provide discreet, proactive executive protection for C-suite leadership during daily operations, travel, and high-visibility engagements.
- Conducted protective intelligence and threat monitoring using OSINT and investigative resources to identify and mitigate risks to executives and corporate assets.
- Plan and execute advances, site assessments, and secure transportation logistics, including route planning and contingency measures for domestic and international travel.
- Coordinate with Executive Assistants, Chiefs of Staff, and security leadership to align protection operations with executive schedules and business priorities.
- Support workplace violence prevention initiatives through threat assessments, risk mitigation, and response planning.
- Perform surveillance detection and environmental risk assessments to identify suspicious activity and emerging threats.
- Monitored and responded to physical security systems, including CCTV, alarms, and access control, facilitating rapid incident response.
- Liaise with law enforcement, emergency responders, and corporate security teams to ensure effective coordination during incidents.
- Provide protection coverage at corporate events, board meetings, and high-profile engagements while maintaining situational awareness and controlled access.
- Delivered intelligence briefings and maintained readiness for medical or crisis situations, ensuring strict confidentiality and effective preparedness.
Executive Protection Agent
Gavin De Becker and Associates
07.2024 - 09.2025
- Conduct threat assessments and protective intelligence using OSINT, social media monitoring, and investigative techniques to identify risks to principals, assets, and operations.
- Executed executive protection operations for high-profile principals during travel, meetings, and public/private engagements, ensuring safety and security throughout.
- Perform advances and site assessments, evaluating vulnerabilities, emergency resources, crime data, and primary/alternate routes.
- Developed comprehensive security plans and risk mitigation strategies for venues and events, including contingency planning to address potential threats.
- Monitored CCTV, alarm systems, and access control platforms to identify suspicious activity, coordinating timely responses with internal teams and external partners to mitigate risks.
- Apply surveillance detection techniques to identify hostile or suspicious activity targeting principals.
- Coordinated logistics and secured transportation, including route planning and contingency development.
- Liaise with law enforcement and emergency responders to ensure effective incident response and operational coordination.
- Manage access control and credentialing for personnel and vendors in secure environments.
- Maintain proficiency in physical security systems and provide emergency medical response (AED, First Aid, CPR); trained in advanced, scenario-based tactical operations.
Operations Manager
Regional Protection Agency Services
Pleasanton
07.2019 - 07.2024
- Plan and direct protective operations for high-profile executives, including travel, venue security, workplace safety, and event coverage.
- Conduct threat assessments, risk analysis, and protective intelligence (OSINT) to address travel risks, workplace violence concerns, and security vulnerabilities.
- Oversee daily security and executive protection operations across multiple sites, managing armed/unarmed personnel supporting EP, facilities, transportation, and events.
- Execute advance planning and site assessments, evaluating venues, emergency resources, crime data, and primary/alternate routes.
- Coordinate secure transportation operations, including driver oversight, route planning, and contingency protocols.
- Supervise, train, and deploy security personnel; manage hiring, scheduling, performance, and compliance with licensing and use-of-force standards.
- Provided GSOC support by monitoring CCTV, access control, alarms, and intelligence alerts for corporate clients.
- Led workplace violence prevention initiatives, conducted internal investigations, and managed incident reporting in collaboration with HR and leadership.
- Maintained client relationships, oversaw security policies and programs, managed equipment and staffing costs, and implemented operational improvements.
Armed Operation Supervisor
Brosnan Risk Consultants
12.2018 - 07.2019
- Managed full hiring lifecycle (recruiting, onboarding, evaluation, discipline) and developed scheduling strategies to ensure coverage while reducing overtime.
- Supervised personnel performance through coaching and mentoring, ensuring compliance with policies and client requirements.
- Built strong client relationships through regular communication, reporting, and operational updates to ensure satisfaction and retention.
- Conducted internal investigations and audited reports for accuracy, maintaining proper documentation and confidentiality.
- Performed threat assessments and protective intelligence (OSINT) to identify risks and implement mitigation strategies.
- Coordinated executive travel logistics, route planning, and advance operations for secure transportation and events.
- Managed fleet operations, ensuring vehicles were compliant, maintained, and deployment-ready.
- Developed and implemented security policies and emergency response plans, enhancing crime prevention measures, including access control.
- Led training programs and onboarding for personnel; maintained certifications in AED, First Aid, CPR, and tactical response.
- Analyzed incident trends and operational data to improve performance, support budgeting, and enhance overall security effectiveness.
Account Manager
Ichor Systems
04.2016 - 12.2018
- Contacted domestic and international buyers to enhance consignment program reach.
- Submitted purchase orders to vendors and acknowledged orders to customers.
- Analyzed 13-week forecast and entered sales orders based on customer needs; assessed on-time delivery for part orders and identified issues through RCCA form.
- Associate project manager - Manage and modify the time-phased program. (Ensuring Work orders and Sales Orders are aligned as modifications are made, while taking material inventory into consideration.)
- Data entry - Enter orders placed by our customers. Making sure due dates and quantity are aligned with original placed purchase orders.
- Managed over 400 parts, coordinating with departments to align work orders, materials, and personnel with customer requirements.
- Returns processor - Manage damaged parts by aiding the quality engineers in processing the documentation needed to issue refunds, or to provide proof parts were damaged by the courier they requested.
Account Manager
HB3-Unlimited
Bay Area
09.2015 - 04.2016
- Coordinated supply chain logistics by analyzing demand forecasts and managing inventory levels to align with customer needs.
- Manage logistics operations to meet customer's needs.
- Delivered tracking information to customers using CRM software, enhancing communication and transparency.
- Arrowhead Management- Manage personnel when loading cargo vehicles, also map out locations to deliver company products to desired location catering to client's request.
- OnTrac Management- Deliver products from Amazon, and eBay to homes or desired location.
- ADP Management - Deliver company checks to each company acquiring signatures and photos of that signature to complete delivery.
- Ensured completion of OTD analyst and RCCA forms to support timely deliveries and maintain high standards of customer service.
- Provided courier services by delivering packages to specified locations within set timelines.
Customer Service Manager
Dynamic Security Technologies
03.2015 - 08.2015
- Provided customer support by addressing inquiries and resolving issues, enhancing customer satisfaction.
- Managed retention data analytics to identify trends and inform customer retention strategies.
- Conducted inside sales, engaging customers and promoting products, contributing to revenue growth.
- Manage all CCTV installation bookings.
- Inventory management.
Site Lead
Security Specialists, Security Industry Specialists
Mountain View
06.2013 - 03.2015
- Supported startup security operations for Google X, contributing to early-stage program development.
- Managed shift scheduling and coverage for assigned site operations.
- Investigated incidents, collected evidence, and prepared detailed reports in coordination with management.
- Monitored CCTV and RFID systems (Network Client, DVTEL, S2) to detect and respond to suspicious activity.
- Conducted patrols, enforced access control, and verified identification to maintain site security.
- Performed facility and equipment inspections to ensure safe conditions and operational readiness.
- Responded to emergencies (fires, evacuations, hazards) and coordinated with Fire/EMS and external agencies.
Traditional Security Officer
G4S Secure Solutions
San Jose
05.2012 - 06.2013
- Oversaw CCTV and alarm systems to strengthen security protocols.
- Managed access and egress to ensure secure premises.
- Patrol assigned area by foot and vehicle.
- Maintained close communication with client to relay clear messages to supervisor.
Education
High School Diploma -
Angelo Rodriguez High School
Fairfield, CA05-2012
Skills
- Executive protection
- Threat assessment
- Protective planning
- Physical security management
- Security operations management
- Incident reporting
- OSINT research
- Security team leadership
- Emergency medical response
- Client relationship management
Certification
Guard Card
Exposed Firearm Permit
First Aid Certification
CPR/AED Certification (Adults, Children, Infants, K9s)
Pepper Spray Certification
Taser Certification
Emergency Vehicle Operations Certification
Gavin de Becker & Associates – Essential Protection Skills Academy Certification
Water Safety & Rescue Certification (Life-Saving & Retrieval Techniques)
Exposed Firearm Permit
First Aid Certification
CPR/AED Certification (Adults, Children, Infants, K9s)
Pepper Spray Certification
Taser Certification
Emergency Vehicle Operations Certification
Gavin de Becker & Associates – Essential Protection Skills Academy Certification
Water Safety & Rescue Certification (Life-Saving & Retrieval Techniques)
PERSONAL INFORMATION
Timeline
Protective Service Agent
Concentric Advisors
09.2025 - Current
Executive Protection Agent
Gavin De Becker and Associates
07.2024 - 09.2025
Operations Manager
Regional Protection Agency Services
07.2019 - 07.2024
Armed Operation Supervisor
Brosnan Risk Consultants
12.2018 - 07.2019
Account Manager
Ichor Systems
04.2016 - 12.2018
Account Manager
HB3-Unlimited
09.2015 - 04.2016
Customer Service Manager
Dynamic Security Technologies
03.2015 - 08.2015
Site Lead
Security Specialists, Security Industry Specialists
06.2013 - 03.2015
Traditional Security Officer
G4S Secure Solutions
05.2012 - 06.2013
High School Diploma -
Angelo Rodriguez High School