As one of the country's current leaders in the field of thoracic surgery, Dr. Orringer has focused much of his academic career on the diagnosis and treatment of benign and malignant esophageal disease. He has developed two leading esophageal operations: the transhiatal esophagectomy without thoracotomy and the combined Collis-Nissen hiatal hernia repair. Dr. Orringer’s bibliography includes more than 250 journal articles, and 110 book chapters. He has edited five books, served on the editorial boards of several journals, and has been an invited speaker/participant or visiting professor throughout the country and the world. At the national level, his commitment to residency education is documented nationally by his involvement with the Thoracic Surgery Directors Association, of which he is past President, and The American Board of Thoracic Surgery on which he served as a director from 1988 - 1995. He has played a major role in developing a structured curriculum and current efforts to implement innovative educational tools for thoracic surgery residents. He is a past President of the Society of Thoracic Surgeons and served as Chairman of the Finance Committee and Nominating Committee of the Society of Thoracic Surgeons. He has served on the Board of Governors and the Advisory Council of Cardiothoracic Surgery of the American College of Surgeons, as Treasurer of the Board of Directors of CTSNet and on the Residency Review Committee (RRC) for Thoracic Surgery. At Michigan Medicine, Dr. Orringer has served a leadership role in a variety of committees including the Executive Committee on Clinical Affairs, the Hospital Executive Board, the Clinical Delivery System Executive Committee and the Faculty Group Practice Board of Directors. At the University level, he was a member and then Chair of the Development Advisory Committee of the Senate Assembly. Dr. Orringer has received numerous honors and awards throughout his career: He is a member of multiple major national/international professional organizations including the American College of Surgeons; the Society of Thoracic Surgeons; The John Alexander Society; the American College of Chest Physicians; the American Association for Thoracic Surgery; The Society of University Surgeons; The Society for Surgery of the Alimentary Tract; The International Society of Surgery; The Central Surgical Association; The American Surgical Association; Thoracic Surgery Directors Association; and the Halsted Society.