Dr. Dan Engle, MD is a practicing psychiatrist, board certified in psychiatry and neurology. He graduated medical school at the University of Texas Health Sciences Center in San Antonio, and finished his residency in psychiatry at the University of Colorado Health Sciences Center. After residency he completed a fellowship in child psychiatry at the Oregon Health Sciences University in Portland, OR. His current practice combines functional medicine with integrative psychiatry to enhance the foundations of regenerative health and peak performance training. Before completing his medical degree he was a collegiate soccer player for St. Edwards University in Austin. (Bio from Dan's bio at Onnit.com, where he is a consultant.)