- University of Nebraska College of Medicine - MD
- University of Wisconsin Hospital and Clinics - Internship (transitional)
- University of Wisconsin Hospital and Clinics - Residency in Anesthesiology
- University of Wisconsin Hospital and Clinics - Fellowship in Critical Care Medicine
Dr. Ketzler is a faculty member of the Division of Allergy, Pulmonary and Critical Care Medicine in the University of Wisconsin Department of Medicine. He has trained in both anesthesiology and critical care medicine, and holds a faculty appointment in the Department of Anesthesiology as well as the Department of Medicine. He practices in the University Hospital Trauma and Life Support Center (TLC) and in anesthesiology clinics at University Hospital and the UW Health Madison Surgery Center. Dr. Ketzler is a member of numerous professional societies, including the American Medical Association, the Wisconsin State Medical Society, the American Society of Anesthesiologists, the Wisconsin Society of Anesthesiologists, the International Trauma Anesthesia and Critical Care Society, the Society for Critical Care Medicine, and the American Society of Critical Care Anesthesiology.
Dr. Ketzler's medical interests include anesthesiology, cardiac anesthesia, and critical care medicine.