Seth C. Hawkins, MD, is a mountaineer and emergency physician board-certified in both emergency medicine and EMS, and serves as Chief of the Appalachian Mountain Rescue Team. He is co-owner of Vertical Medicine Resources, an innovative consulting company specializing in medical crisis training in isolated, vertical environments. He lives at the base of Linville Gorge in North Carolina. R. Bryan Simon, RN, is co-owner of Vertical Medicine Resources. He is a former Army infantry captain, a graduate of the US Army Ranger School, and currently serves as an editor of Accidents in North American Climbing. He is an American Mountain Guide Association-certified climbing instructor who lives and guides on the rim of the New River Gorge in West Virginia. J. Pearce Beissinger, MS, PA-C, is a certified American Mountain Guide Association climbing instructor and co-owner of Vertical Medicine Resources. He lives in Portland, Oregon. When he’s not climbing throughout the Cascades, he serves as a responder with Portland Mountain Rescue. Deb Simon, RN, is a certified fitness trainer, nutrition specialist, and holds a Masters degree in Mountain Medicine. She is also co-owner of Vertical Medicine Resources and specializes in high altitude fitness. She resides along the cliffs of the New River Gorge in West Virginia.