Contact Us

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East 17th Place
Aurora, CO,

(303) 386-2251


Ryan Paterson, MD; DTM&H; DiMM

Ryan Paterson attended the University of Vermont School of Medicine and completed his Emergency Medicine Residency and Fellowship in Wilderness/Altitude/Expedition Medicine at Denver Health Medical Center/University of Colorado. He also holds advanced certifications in Tropical Medicine from the London School of Tropical Medicine and Hygiene (DTM&H) and in Mountain Medicine (DiMM). He is a practicing Emergency Physician for Kaiser Permanente at St Joseph’s Hospital in Denver, Colorado.

When not working, Ryan loves to spend time outdoors with his spouse and two children. He is an avid traveler and climber and a former distance athlete who continues to run, bike, and swim.

Ryan has experience in large-race, medical event management and serves as the medical director for GlobalLimits and has helped provided medical support for the Leadville 100 ultra-marathon.

Ryan also co-founded the Wilderness Medical Society’s Diploma in Mountain Medicine Course (DiMM). He is the current United States delegate to the International Society of Mountain Medicine (ISMM).

Ryan also founded FLuME (foundation for lasting united movements and endeavors) through which he works to establish sustainable development solutions in education, health, women’s empowerment, micro-enterprise and public-health world-wide. 


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Jennifer Starling, MD; DTM&H; DiMM

Dr. Jennifer Starling attended medical school at McGill University and completed her Emergency Medicine residency at Alameda County Medical Center - Highland Hospital.  As a fellow in Wilderness Medicine at Denver Health/University of Colorado, she completed a tropical medicine degree at the London School of Hygiene and Tropical Medicine, studied dive medicine in Honduras, and treated high altitude illness in Nepal. Most recently she has served as race medical for multi-stage ultra-marathons in the American Southwest, Cambodia and Bhutan. She also co-instructs a wilderness medicine course for mountain guides in Peru’s Cordillera Blanca. Her academic interests include wilderness medicine education and curriculum design, travel medicine, remote race medicine and high altitude medicine.


Erin Drasler, MD; DiMM

Dr. Erin Drasler completed medical school at the University of Minnesota and residency as well as Wilderness Medicine Fellowship at Denver Health Medical Center/University of Colorado. She practices Emergency Medicine at Colorado Permanente Medical Group in Denver, CO. She is currently completing her Diploma in Mountain Medicine. She serves as medical director for Colorado Outward Bound and teaches multiple wilderness medicine courses through the University of Colorado. As an avid rock climber and ultrarunner, she enjoys both participating in and caring for patients involving wilderness adventures.


Leah Groves, MD; DiMM

Dr. Leah Groves attended medical school at Duke University and completed her Emergency Medicine residency at Denver Health Medical Center.  She was on the faculty at George Washington University Medical Center and currently is a practicing emergency medicine physician with the Colorado Permanente Medical Group in Denver.  She has been involved with medical student and resident wilderness training and elective courses in both Washington DC and Denver.  She is certified as an Advanced Wilderness Life Support (AWLS) instructor.  She is interested in wilderness education and getting others excited about the outdoors.  She enjoys hiking, running, skiing and being outside with her husband and dog.