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Dedicated - Professional - Passionate. 


Dr. David Allen Morehouse, Phd


Dr. Morehouse is a former US Army Special Operations Army Officer.  He commanded the US Army’s only separate Airborne Rifle Company in the 1980’s which at the time was considered CINCSOUTH’s Rapid Reaction Force.  He was an Aide de Camp to Major General Kenneth C. Leuer, and General Fred F. Woerner, before being selected to command Bravo Company, 1stBattalion, 75thRanger Regiment.  He later served in numerous staff positions at Battalion through Division level, including time within three highly classified Special Access Programs around the Washington, DC area.  He has been a Battalion Executive Officer as well as an interim Battalion Commander.

Dr. Morehouse received his undergraduate degree at Brigham Young University, a Master’s degree from the US Army Command and General Staff College, and a doctorate from LaSalle University.  He also has advanced degrees in Federal Contracts Management from Villanova University. He is a life member of Special Operations Medical Association (SOMA), the VFW and the American Legion.


Dr. Morehouse has been working in the field of Operational Medicine with his Vice President and close friend, Rhys Williams, since 2005.  He has been designated the Tactical Combat Casualty Care (TCCC) subject matter expert for the Defense Medical Material Program Office, as well as the National Center for Medical Readiness, the University of Toledo, and the USAF Human Effectiveness Directorate.  He has been a principal researcher for medical device manufacturers, including Medafor, Pyng Medical, Tactical Medical Solutions and North American Rescue.  He has developed some of the most stringent and innovative testing protocols for tourniquets and pelvic stabilization devices, and published his findings in numerous professional journals, such as Defense Management Journal, Defense Global, JSOM, and Emergency Global. 


Dr. Morehouse is married with three daughters, two sons, and four grandchildren.  In his free time, he enjoys writing and photography; however, his greatest passion is spending time with his wife, Patty, for a movie, dinner, or a long walk.  

Vice President of Operations & Training

Rhys Williams, MSN, FNP-C, RN, EMT


Rhys Williams is a former Navy Corpsman NCO with multiple combat deployments with Naval Special Warfare.  


Rhys Williams graduated with his undergraduate and Master’s degree from the University of Virginia. He is a certified Nurse Practitioner, Trauma Nurse at a Trauma 1 facility and Emergency Medical Technician for seventeen years.  He is on the advisory board for the Committee for Tactical Emergency Casualty Care (CTECC). 


Rhys Williams has trained thousands of combat medics, physicians and advanced practitioners in operational medicine over his thirteen-year career as a medical trainer.  


Rhys Williams is married with a son.  In his free time, he enjoys shooting, camping and carpentry. 

Medical Director 

Dr. Jason Roosa, MD


Dr. Jason Roosa, MD, MS, is the Prehospital Chair of the National Clinical Governance Board at US Acute Care Solutions. He is also the EMS Director at Lutheran Medical Center in Wheat Ridge, CO. Dr. Roosa has been with USACS (legacy Ergentus Emergency Service Physicians) since 2012. Currently, he is a disaster doctor with the Arizona-1 DMAT team and was recently deployed to Puerto Rico for federal hurricane relief.

Dr. Roosa attended the University at Albany in Albany, NY, where he obtained his BS in Biological Sciences and MS in Neurobiology. He received his MD at the University of Colorado, and went on to complete his residency at Maricopa Medical Center, in Phoenix, AZ, where he was Chief Resident. He then finished his EMS/Resuscitation Science Fellowship at Maricopa Medical Center as well.


Dr. Roosa is Board certified in Emergency Medicine, EMS, and licensed in Arizona and Colorado. His professional memberships include; The American College of Emergency Physicians, National Association of EMS Physicians, Special Operations Medical Association Member, and Colorado Medical Society. He has received multiple awards including; Achievement in Research and Scholarly Activity, Maricopa Medical Center, and Chief Resident in Emergency Medicine. He’s published a significant number of peer-reviewed journal articles and abstracts.


Dr. Roosa is married with two daughters and one son. In his free time, he enjoys photography, hiking, skiing, rifle and pistol marksmanship, and mountaineering.

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