Combat-Proven Leadership. Battle-Tested Strategy. Real World Risk Management
Protecting what matters — yourself, your people, your business.
Austin, Texas — Serving America
Spencer Coursen is a nationally recognized threat management expert, best-selling author, and combat-proven security strategist. A former U.S. Army Ranger and Special Deputy U.S. Marshal, Coursen advises corporations, government agencies, and high-profile individuals on risk mitigation, protective strategy, and crisis response. 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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