JOSHUA ALAN PARRY is a medical resident at the Mayo Clinic. He received his medical degree from the University of Texas Medical School at Houston and holds a B.S. in molecular and cellular biology from the University of Texas at Austin, where he was also captain of the ice hockey team. Over the years, he has worked as a guide for at-risk youth in the Utah wilderness, a metal worker in Montreal, a salmon canner in Alaska, and a molecular genetics intern. He was raised in Keller, Texas.