Dr. Kris Lehnhardt is an Attending Physician and Assistant Professor at The George Washington University (GWU) School of Medicine and Health Sciences. He is board-certified in Emergency Medicine in both Canada and the U.S.A and he works clinically in the Emergency Department of GWU Hospital as well as the DC Veterans Affairs Medical Center. Dr. Lehnhardt is the Director of the Fellowship in Extreme Environmental Medicine (FEEM). In addition, he is a reservist in the Royal Canadian Air Force, an FAA Aviation Medical Examiner (AME), a private pilot, and a PADI advanced open water SCUBA diver.