Dr. Thill graduated with high honors from the University of Michigan, Honors College with Bachelor of Science degrees in biology and psychology. He earned his medical degree at the University of Michigan Medical School. Dr. Thill completed his residency in Pediatrics at the University of Minnesota Hospital and Clinics, and a fellowship in Pediatric Critical Care at Children's Memorial Hospital, Northwestern University.

Dr. Thill's special medical interests include: the use of noninvasive ventilation in asthmatics and the inflammatory response associated with cardiopulmonary bypass. He has published articles and lectured on noninvasive ventilation, infant botulism, pediatric emergencies, and pain management in children.

Dr. Thill has four children. In his leisure time he enjoys woodworking.