Juan N. Lessing MD, FACP is an Associate Professor in the Division of Hospital Medicine at the University of Colorado. He earned an Art and Archaeology degree from Princeton, attended medical school at the University of California, San Francisco, and completed residency and chief residency at the University of Washington, Seattle. His professional passion is the art and science of clinical and management reasoning especially within medical education. At the University of Colorado, he is passionate about teaching learners "how, not what, to think" to enhance lifelong learning and improve patient care.