Trey Lindsey is the founder and CEO of Gallowglass Guardian Group; a tactical, security, and defense consulting company based out of Dallas, Texas. Trey served in the United States Navy for over 20 years, 18 of which were spent as a Navy SEAL including 13 years as a member of the Navy's Tier 1 Special Mission Unit, SEAL Team 6. Throughout his time at SEAL Team 6, Trey held a variety of senior enlisted leadership positions. He also served as a Naval Security Forces Police Officer with a specialty is physical security and anti-terrorism. A seasoned combat veteran, Trey participated in more than a dozen operational deployments overseas during his career.

Leveraging his extensive military experience, he has dedicated his post-military career through his company Gallowglass Guardian Group, to enhancing training proficiencies for law enforcement, military and civilians through security and defense consulting, tactical training courses, leadership and team building as well as communications and public speaking. He holds a bachelor's degree from American Military University in Entrepreneurship. Trey also holds a state of Louisiana POST certification in Richland Parish and is an adjunct Instructor for the NTOA.

Trey holds a license through the Texas Commission on Law Enforcement (TCOLE PID 534875) and is commissioned through Allen Texas PD. He also holds a commission through Louisiana POST in Richland Parish Louisiana and is an adjunct instructor for the National Tactical Officers Association. Trey is also the Co-founder and CEO of TSG Blades, a knife design company specializing in tactical knives geared toward the end user for a wide range of tactical and operational priorities.