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From the combat zone to the classroom, Guardian TacMed is a veteran owned Clinical education company with years of experience in both the combat zone and civilian aeromedical critical care. Guardian TacMed is composed of highly skilled helicopter EMS clinicians with the highest training in prehospital care in the world. Every one of our clinicians, whether paramedic or nurse, have treated patients in the harshest conditions honing their skills to bring you the highest level of clinical care knowledge in the industry. Just like when we treat patients in the air, Guardian TacMed focuses on your clinical education when it matters.
ALWAYS READY!
Julio Perez is a highly skilled, passionate, and bilingual board-certified Critical Care Paramedic, dedicated to advancing prehospital medicine through both clinical practice and education.
He began his career in the U.S. Army, serving on active duty as a 68WF2 Flight Paramedic. During this time, he built a strong foundation in aeromedical evacuation and critical care, earning recognition for his technical expertise and leadership.
After leaving the Army, Julio transitioned into the civilian sector, joining Air Methods as a Flight Paramedic. He later accepted a position as Lead Instructor for Tactical Element at the Army’s Critical Care Flight Paramedic Program (CCFPP Branch), where he was praised by both peers and leadership as a subject matter expert and valuable resource to the aeromedical healthcare community.
Following his instructional tenure, Julio returned to Air Methods, further expanding his flight experience and clinical expertise before ultimately transitioning to his current role as a Flight Paramedic with AirEvac in Kerrville, Texas.
Throughout his career, Julio has earned five advanced certifications—three of them at the instructor level—demonstrating his commitment not only to clinical excellence but also to education and mentorship. In addition to his aeromedical career, he has established himself in the small business community, focusing on holistic healthcare and educational ventures.
Devin Del Rio began his career as a Healthcare Specialist in the U.S. Army, serving a total of six years on active duty. His first assignment was at Fort Riley, Kansas, where he spent two and a half years as a ground medic with the 1st Engineer Battalion, providing patient assessment and clinical care. In 2015, he graduated from the University of Texas Health Science Center at San Antonio’s Critical Care Flight Paramedic program and was subsequently stationed at Fort Bliss, Texas. There, he provided medical evacuation coverage for the entire installation, including White Sands Missile Range in New Mexico.
During his time at Fort Bliss, he deployed to Illesheim, Germany in support of Operation Atlantic Resolve, as well as to Houston, Texas and Aguadilla, Puerto Rico to assist with hurricane relief operations. He separated from the Army in February 2018 to broaden his experience as a civilian provider, joining AMR as an ALS Ground Ambulance Paramedic/CCT Paramedic. Shortly thereafter, he transitioned to a firefighter-paramedic role with Alamo Heights Fire Department, where he served for three years.
In March 2022, Devin accepted a position as Practice Manager (Operations Director) and EMS Educator with Shurmed/Arclight, though he soon chose to return to hands-on clinical work to further expand his medical expertise. He went on to complete Texas Tech University’s Accelerated VBSN program, which enabled him to practice as an ICU nurse at both Methodist and University Health System for the next three years.
Today, Devin works full-time as a Flight Nurse-Paramedic, continuing to build his skills in high-acuity care. Looking ahead, he plans to pursue medical school with the goal of becoming an Emergency Medicine or Intensive Care physician.
Chief, Trauma Anesthesiology
Professor
Departments of Anesthesiology and Emergency Medicine
UTHealth | McGovern Medical School
Medical Director, Community Volunteer Fire Department
Medical Director, Sugar Land Fire Department
Director, Memorial Hermann Life Flight Advanced Airway Training
MAJ, MC, USARNG 36th CAB Flight Surgeon
After serving as a paramedic for several years in Houston, Texas, Dr. Stephens graduated from The University of Texas Medical Branch (UTMB) School of Medicine. Upon finishing his Anesthesiology residency at UTMB, he completed a Trauma Anesthesiology Fellowship at the University of Maryland Shock Trauma Center, where he later joined the faculty as an Assistant Professor of Anesthesiology. Dr. Stephens was the director of advanced airway training for the Maryland State Police Aviation Command Trooper Flight Paramedics and served as a flight physician with oversight of their RSI program. He then moved back to his home state of Texas to join the faculty at UT Houston McGovern Medical School as an Associate Professor, where he was appointed director of Memorial Hermann Life Flight RSI training for air crew members. While at UT McGovern, he completed an Emergency Medical Services Fellowship in the Department of Emergency Medicine and is the medical director for two Houston area fire departments. Dr. Stephens is currently a Professor of Anesthesiology and Emergency Medicine at UT Houston, Chief of Trauma Anesthesiology, Fellowship Program Director, and board certified in Anesthesiology and Emergency Medical Services. In addition, he serves as an officer in the U.S. Army Medical Corps. and is the Flight Surgeon for the 36th Combat Aviation Brigade.
Dr. Stephens is a national trauma resuscitation and airway management expert, with over 25 years of pre-hospital and trauma experience. He is also a Professor of Anesthesiology and Emergency Medicine, with numerous publications regarding airway and resuscitation medicine. He is the founder and Chair of the Critical Care Airway Task-Force (CCAT-F) Committee for the National Association of EMS Physicians. In addition, he is the founding Chair of the EMS Committee for the Texas Society of Anesthesiologists and is actively involved with the Committee on Trauma and Emergency Preparedness for the American Society of Anesthesiologists. Dr. Stephens was inducted as a Fellow of the Academy of Emergency Medical Services in 2021.
Marco Perez is an accomplished critical care and flight nurse with over 15 years of experience delivering advanced medical care in high-pressure environments. A graduate of Laredo College, Marco began his nursing career in 2008 and quickly established himself at Laredo Medical Center, advancing from ICU nurse to charge nurse and later serving as house supervisor.
In 2015, Marco expanded his expertise into air medical transport, joining SA AirLIFE as a flight nurse. With nearly a decade of flight experience, he has provided critical care in some of the most challenging prehospital and interfacility settings across South Texas.
Committed to the future of nursing, Marco actively participates in advanced practice education and mentorship, guiding the next generation of healthcare professionals with a focus on clinical excellence and compassionate leadership.
Known for his adaptability, calm under pressure, and dedication to patient care, Marco continues to serve the community with distinction across multiple areas of critical care.
Nydia Salinas is relentless in her pursuit of excellence—a true powerhouse in fitness, performance, and tactical readiness. As Marketing and Education Coordinator at Guardian TacMed, she blends creativity with purpose, driving the company’s outreach while equipping healthcare professionals and civilians with the skills to perform under pressure. Whether promoting Guardian TacMed’s mission, shaping client relationships, or teaching proper body mechanics and tactical training, she ensures every trainee and partner walks away empowered, prepared, and confident.
Certified as a personal trainer and sports nutritionist since 2012, Nydia has built a thriving wellness brand rooted in transformation, grit, and results. Her entrepreneurial drive and magnetic leadership have inspired countless individuals to break barriers, redefine their limits, and achieve peak physical performance.
Her competitive spirit has been proven on the national stage. From 2015 to 2018, Nydia dominated the bodybuilding figure division, earning top honors and a national qualifying title for best overall physique. From 2017 to 2019, she transitioned to the strongman circuit, winning multiple competitions and once again qualifying at the national level.
Beyond competition, Nydia’s discipline and aesthetic excellence have made her a sought-after fitness model and brand collaborator, working with industry leaders such as Barbell Cartel, GoOneCondition Nutrition Bars, and GAT Sports Nutrition. Her strength, resilience, and presence have been captured by photographers aiming to showcase not just her physical power, but the enduring elegance of a true athlete.
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