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We Are Legacy-Driven And Performance-Focused

Founded in 1997 by law enforcement officer McCutcheon Marshall, Sentinel Group Six is a family-operated security firm delivering precision protection with a personal touch. Under the leadership of Shaneen Elder and Colonel Elder II, our team merges decades of frontline experience with next-generation security tactics.

We offer more than personnel—we offer partnerships. Every officer represents our commitment to integrity, professionalism, and proactive service. Our clients include government agencies, corporate executives, real estate managers, and event planners who rely on us for tailored, responsive protection.

We aren’t just a security provider. We are a high-performance, mission-ready force trained to anticipate, deter, and neutralise threats, with minimal disruption to your operations. Sentinel Group Six is a leader in offering innovative and state-of-the-art security for businesses and a wide range of customers. We don’t believe in cookie-cutter protection. We develop smarter, leaner, and faster response systems by integrating advanced technology with strategic staffing. Our officers are hand-selected based on their ability to lead, adapt, and engage with professionalism. From cybersecurity measures to mobile patrol optimisation, we bring cutting-edge solutions to physical and digital security challenges, ensuring you stay ahead of evolving risks.

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career

Meet Our Leadership Team

Shaneen Elder – CEO

Shaneen Elder is the proud proprietor of Sentinel Group Six, a security company founded by her late father, McCutcheon Marshall, and now owned by her family. Shaneen, who was mentored by her father from a young age, brought an arsenal of knowledge and passion for the security industry to the helm in 2015. With a degree in business, she blends her academic achievements with hands-on experience obtained during her time as a civil clerk in her early years and serving at the Circuit Court of Maryland.

Colonel Elder II – COO

Colonel Elder II is the Chief Director of Security and Operations at Sentinel Group Six. Under the guidance of McCutcheon Marshall, the company founder, his journey in the security sector began as an unarmed officer. The Colonel’s leadership and operational skills were refined as he rapidly advanced through the ranks, becoming a Site Supervisor and then an Area Manager, through hard work and dedication.

In addition to his executive position, Colonel Elder is a certified Unarmed Officer Instructor and a CCW (Concealed Carry Weapon) Trainer for North Carolina. In addition, he is acknowledged as an Active Shooter Preparedness Instructor and an NRA Basic Pistol Firearms Trainer. He possesses extensive knowledge and experience in mixed martial arts and hand-to-hand combat.

Rick Guthrie Sr. – SVP of Operations

Rick Guthrie – Senior Vice President of Operations, the Operations Manager for Sentinel Group Six Security, has more than two decades of experience in law enforcement. Rick, a retired Chief of Police, has a notable background that includes Participating in Narcotics and K9 Task force Narcotics Task Force, where he contributed to statewide campaigns to combat drug-related offences. He has acquired a wealth of knowledge in areas such as narcotics, firearms, canine operations, and investigations throughout his law enforcement career. He is also a North Carolina-certified armed and unarmed security officer instructor.

Let’s Build Your Security Strategy

Whether you need full-scale site protection, executive escorts, or strategic consultation, Sentinel Group Six is your mission-ready partner. Contact us today and let’s build a security plan that works for you and the people you care about.

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License #

  • NC: 576957-GP
  • MD: 24PLL-SGPD 37795
  • SC: 15895
  • TX: B31018101

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