PROTECT WHAT MATTERS MOST
Your Peace. Your People. Your Sovereignty.
Combat-Proven Leadership. Battle-Tested Strategy. Real World Threat Management
Austin, Texas — Serving America
Spencer Coursen is a nationally recognized threat management expert, best-selling author, former Special Deputy U.S. Marshal, and Army Airborne Ranger. Having led more than 80 combat missions alongside U.S. Special Forces and allied intelligence agencies, Spencer combines military precision, government-level experience, and private sector expertise to help corporations, government agencies, law firms, executives, and public figures navigate complex security challenges.
Over the course of his career, he has provided protective services, threat assessments, and security consulting in 163 countries for heads of state, Fortune 500 CEOs, dignitaries, and high-profile individuals.
His academic background in psychology and sociology, combined with decades of real-world operational experience, provides a unique understanding of human behavior, threat dynamics, and risk mitigation.
Spencer shares his life and mission with his trusted service dog, Ronin.
300+
Protective
Operations
20+
Years of Global Security Leadership
163
Countries of Operational Experience
Work With Spencer
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Public Speaking
Spencer Coursen delivers high-impact insights at the intersection of tactical leadership and threat management. Drawing comparisons to Jocko Willink and Chris Voss, his distinctive edge lies in blending combat-proven strategy with a holistic approach to personal and professional empowerment.
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Threat Management
Coursen Security Group (CSG) is a premier security consulting firm in Austin, TX, specializing in threat assessment, expert witness testimony, litigation support, security audits, IRS 132 audits, and red teams to help reduce risk, prevent violence, and ensure the certainty of safety for everyone involved.
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Guest & Media Appearances
Spencer brings a dynamic voice to conversations around risk, resilience, and real-world readiness. His expertise, strategic perspective, and media-friendly presence make him a go-to resource for commentary on current events, personal safety, and high-stakes decision-making. Available for news, podcasts and more.
Coursen’s Corner
Listen, Watch & Subscribe
From origin stories to pivotal moments, Spencer Coursen sits down with the people who’ve lived it—friends, mentors, experts, and changemakers—for real conversations about what it takes to lead, adapt, and thrive under pressure. No fluff. No ego. Just the raw, powerful lessons that shape extraordinary lives.
“Most of us will never know the luxury of having our security detail, but every single one of us deserves to be protected.
I wrote this book to help EVERYONE learn the most effective strategies they can employ — TODAY — to reduce risk and prevent violence.” — Spencer Coursen
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RONIN 6 is a veteran-owned lifestyle brand advocating for the prevention of veteran suicide. Proceeds from every item sold are donated to organizations helping our nation’s warfighters to go from surviving to thriving through traditional mental health services and emerging psychedelic treatment modalities.
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