Dr. Brennan is an oncology surgeon with special expertise in the treatment of soft tissue sarcomas, endocrine tumors, and pancreatic and stomach cancers. He was Chairman of the Department of Surgery at Memorial Sloan-Kettering Cancer Center from 1985 until June 2006. Today he continues in active practice and is currently Vice President of International Programs and Director of the Bobst International Center. Dr. Brennan has lectured throughout the world and authored or co-authored more than 1,000 scientific papers and book chapters, as well as a book on soft tissue sarcoma. He has served as Director of the American Board of Surgery, Chairman of the American College of Surgeons Commission on Cancer, President of the Society of Surgical Oncology, Vice President of the American College of Surgeons, and President of the American Surgical Association. He has been awarded Honorary Fellowships in the Royal Colleges of Surgeons in Ireland, Edinburgh, England, Australasia, and the Royal College of Physicians and Surgeons of Glasgow and Canada. Dr. Brennan has received Honorary Doctorates from the Universities of Edinburgh, Otago, Goteborg, and University College of London. In 1995, Dr. Brennan was honored with membership in the Institute of Medicine of the National Academy of Sciences, and in 2000, he received the American College of Surgeons’ highest award, the Distinguished Service Award. In January 2015, he was appointed by Her Majesty The Queen as Knight Grand Companion of the New Zealand Order of Merit.