About Sentinel Protection Security
Introduction
John Williams
Founder
John Williams, a native of Brooklyn, New York, founded Sentinel Protection Security LLC with over 15 years of hands-on experience in the security industry. Since beginning his career in 2009, he has progressed from basic security roles to managing complex contracts across corporate, government, residential, and municipal environments.
With extensive expertise in both armed and unarmed security operations, John has collaborated with multiple city police agencies and successfully reduced criminal activity in high-risk neighborhoods and government facilities. His commitment to professionalism, attention to detail, and proven results form the foundation of Sentinel Protection Security’s approach to reliable, effective protection.