John Anderson is a board certified emergency medicine physician at a busy tertiary care trauma center as well as a rural, critical access hospital and a Clinical Assistant Professor at the University of Nevada School of Medicine (UNSOM). Prior to medical school he worked in the field as a river guide for 10 years, and has extensive personal experience in ultrarunning, alpine climbing, backcountry skiing, and other wilderness pursuits. In addition to clinical practice he also currently provides medical direction or care for various ultrarunning races from 100k trail races in California to multi-day stage races in the Gobi desert of China and is the Medical Director for the Broken Arrow Skyrace. He heads the Medical and Safety Commission for the International Trail Running Association, and is the medical advisor for Run the Alps. Dr. Anderson also has a wide range of teaching experience including developing and teaching medical curriculum for national park service rangers and ski patrollers, teaching Advanced Wilderness Life Support for physicians, teaching Swiftwater rescue, providing instruction for medical students and residents, and has won teaching awards in this realm. John Anderson has a BA from the University of Montana, completed his MD at the University of Colorado School of Medicine, and completed an Emergency Medicine residency and chief residency at Denver Health Medical Center.