Thomas J. Nasca, MD, MACP is chief executive officer of the Accreditation Council for Graduate Medical Education (ACGME), and chief executive officer of ACGME International; professor of medicine (vol.), Jefferson Medical College, and senior scholar of the Department of Medical Education, University of Illinois at Chicago School of Medicine. Prior to coming to the ACGME, Dr. Nasca served as senior vice president for academic affairs of Thomas Jefferson University and the Anthony and Gertrude DePalma dean of Jefferson Medical College. Dr. Nasca left the deanship at Jefferson to assume the leadership of the ACGME in December, 2007. In May 2009, Dr. Nasca became the founding president of ACGME International, LLC. Dr. Nasca is board certified in Internal Medicine and Nephrology. Dr. Nasca has been a member and leader of a wide array of organizations whose mission is the advancement of excellence in medical education. Additionally, Dr. Nasca has held numerous memberships, and positions of leadership in professional associations. He is currently serving as the co-chair of the National Academy of Medicine’s Action Collaborative on Clinician Well-Being and Resilience. Dr. Nasca graduated from the University of Notre Dame with High Honors, and is an Alpha Omega Alpha graduate of Jefferson Medical College.