About Us

Securing Futures, Shielding Lives Together

Western Confluence Group (WCG) is on a mission to prepare families and businesses for unforeseen events, always staying one step ahead through the use of technology and unique partnerships. Founded by industry-leading experts in fire and executive protection, we leverage revolutionary technology to identify safety threats, wildfires, and dangers nationwide. Our strategies prioritize client preferences and quality of life, seamlessly integrating contemporary fire prevention and security methods tailored to each project and aligned with individual or organizational values.
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What we do?

Protecting Every Aspect, Always Prepared

Comprehensive security solutions including residential security, security drivers, and executive protection agents.

Holistic fire services tailored to your needs. Our team specializes in the development of all risk mitigation, fire training, and emergency management to ensure proactive protection for your assets and personnel.

Advanced monitoring systems synced with local and state emergency dispatch centers for real-time awareness and proactive responses.

Why Choose WCG?

Your Trusted Guardian in Uncertainty

Choose WCG for unparalleled security solutions tailored to your needs. Our wide range of services covers everything from executive protection to fire and natural disaster monitoring, providing you with complete peace of mind. With advanced systems and strategic alliances with Global Rescue, we prioritize your safety and investments, delivering unmatched protection in an unpredictable world.

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Rob Chang

Range Master & Executive Protection Agent

Rob Chang stands at the center of Western Confluence Group’s firearms and tactical training philosophy — a mentor, craftsman, and lifelong instructor dedicated to developing disciplined, capable protectors. With more than two decades of experience leading live-fire programs and building training curricula for thousands of students, Rob’s influence defines the standard by which WCG agents train and operate.

A consummate professional and educator, Rob brings a calm, methodical approach to every range session. His background spans private-sector protection, tactical program design, and advanced emergency response instruction. Whether teaching a first-time shooter or refining the performance of seasoned executive protection agents, Rob’s focus on fundamentals, judgment, and precision makes him an unmatched instructor in the field.

Career Highlights

  • Over 25 years of experience in firearms instruction, tactical program development, and range operations

  • Owner and Lead Instructor at Silicon Valley Tactical, providing professional-level training in pistol, rifle, shotgun, and carbine disciplines

  • Former General Manager of Coyote Valley Sporting Clays, overseeing a 90-acre range facility and its instructor development programs

  • California Department of Justice–certified Instructor in multiple disciplines, including CCW, Firearm Safety, and Equivalent Entity training

  • NRA Chief Range Safety Officer and Certified Instructor in pistol, rifle, shotgun, and both defensive handgun courses (inside and outside the home)

  • Certified AVERT (Active Violence Emergency Response Training), Emergency Medical Response (EMR), BLS, Wilderness First Aid, and Advanced Bleeding Control Instructor

  • Holds active BSIS Guard Card, BSIS Firearm Permit, and multi-state CCW permits (CA & AZ)

  • Extensive real-world incident response experience including major natural disasters and emergency interventions

  • Accomplished mountaineer and expedition leader, with ascents on Mount Everest, Ama Dablam, Denali, Mount Shasta (100+ ascents), and other peaks worldwide

  • Over 2,500 days of expedition-level climbing and 140 days above 16,000 ft, integrating human performance, risk management, and survival expertise into his teaching