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Founder & Director, SERPTEAM
With over 20 years of distinguished service in the United States military—16 of which were with the elite Joint Special Operations Command (JSOC)Callum Ewan is a globally respected figure in defense strategy, special operations, and private military consultancy. As the visionary Founder and Director of Serpteam International, Mr. Ewan brings unparalleled field experience, operational leadership, and tactical foresight to the forefront of the private security and defense contracting industry.
Mr. Ewan began his military journey with a relentless commitment to excellence and a deep sense of duty. Over two decades, he rose through the ranks, operating across complex combat zones and high-threat environments. His 16-year tenure with JSOC—the United States’ most covert and capable special operations unit—saw him participate in and lead numerous high-risk missions across the Middle East, Africa, Southeast Asia, and other undisclosed regions. His contributions to counter-terrorism, intelligence operations, hostage rescue, and direct action missions were critical in safeguarding U.S. and allied interests worldwide. During his time with JSOC, Mr. Ewan was repeatedly commended for his operational precision, strategic leadership, and ability to perform under pressure. His experience in multinational joint task forces and his work alongside elite global military units solidified his reputation as a seasoned commander and tactical innovator.
Upon transitioning from military service, Mr. Ewan established Serpteam International, a private military company built on principles of integrity, elite training standards, and mission-critical readiness. Under his leadership, Serpteam International has grown into a globally trusted provider of private security, military training, defense logistics, and strategic consulting services for governments, corporations, and humanitarian organizations operating in high-risk environments.
Mr. Ewan' military background and his unwavering commitment to precision, discipline, and discretion have shaped Serpteam's culture and operational effectiveness. The company reflects his vision of a new-generation PMC—one that blends elite military expertise with modern intelligence and security innovation.
His leadership philosophy centers on mission success, operational transparency, ethical engagement, and the continuous development of personnel. He remains actively involved in AQR's global operations and continues to mentor upcoming leaders in the security and defense sectors.
In addition to leading AQR PMC International, Mr. Ackles serves as an advisor to various security think tanks and international defense agencies.
His insights are often sought in global defense summits and private security roundtables.
He has been recognized for his service and post-military contributions with multiple awards and honors for leadership, bravery, and strategic impact.