Dr. Mark received his medical degree from the University of Kansas and completed his residency in pediatrics at Children's Mercy Hospital in Kansas City, Missouri. He then completed a fellowship in pediatric pulmonary medicine at the University of Rochester, Rochester, New York. In 1999, Dr. Mark completed the first fellowship in Pediatric Integrative Medicine at the University of Arizona. He is now a Clinical Professor of Pediatrics, Pediatric Pulmonary Medicine, at Stanford Children's, Stanford University. Dr. Mark utilizes non-conventional approaches with patients who have chronic illnesses such asthma and cystic fibrosis. He is interested in nutrition and the mind/body approach to healing in an effort to decrease dependence on medication. Dr. Mark is the Program Director for the Pediatric Pulmonary fellowship program, Associate Director for the Pediatric residency program and the Medical Director for the Coordinating and Optimizing Resources Effectively (CORE) Program at Packard Children's Hospital, Stanford University. This innovative program assists with care coordination and communication with all health care providers for children with complex medical needs.