Dr. Kris Lehnhardt is a Professor of Emergency Medicine and the Director of Space Medicine at the University of Texas Health Science Center at Houston (UTHealth Houston). Previously, he was an Associate Professor with the Baylor College of Medicine in the Center for Space Medicine and Department of Emergency Medicine, as well as the Element Scientist for Exploration Medical Capability at the NASA Johnson Space Center. Board-certified in Emergency Medicine in both Canada and the U.S., Dr. Lehnhardt continues to work clinically in the Emergency Department at the busiest Level 1 trauma center in the United States, Memorial Hermann Hospital at the Texas Medical Center. He is a medical specialist reservist in the Royal Canadian Air Force, a private pilot, an avid SCUBA diver, and a lifelong space nerd.