Peter Angelos, MD, PhD, FACS is the Linda Kohler Anderson Professor of Surgery and Surgical Ethics, Chief of Endocrine Surgery, and Associate Director of the MacLean Center for Clinical Medical Ethics at the University of Chicago. Dr. Angelos completed his undergraduate degree, medical school, and a Ph.D. in Philosophy at Boston University. He completed his residency in General Surgery at Northwestern University and went on to complete fellowships in Clinical Medical Ethics at the University of Chicago and in Endocrine Surgery at the University of Michigan. Dr. Angelos is a busy endocrine surgeon who has written widely on improving outcomes of thyroid and parathyroid surgery, minimally invasive endocrine surgery, and ethical aspects in the care of surgical patients. He is co-editor of the ACS text, Ethical Issues in Surgical Care and co-editor of the recent Springer volume, Difficult Decisions in Endocrine Surgery. He is past president of the American Association of Endocrine Surgeons.