Denis Sugrue attended Blackrock College in Dublin and then was a Kitchener scholar at University College in Dublin, matriculating there in 1945. After his Olympic experience he resumed his medical training and served as a registrar in otolaryngology at Royal Free Hospital in London from 1953-54, then was a senior registrar in the Plastic and Jaw Unit at Basingstone, England in 1954-57. He served as a consultant to The Children’s Hospital in Dublin from 1957-67. Dr. Sugrue then returned to training in a different specialty, serving as registrar in venereology at St. Thomas Hospital in London from 1969-70, followed by senior registrarship in the same field at Wessex Regional Hospital in Southampton from 1970-72. He then became consultant at Northern & Mid-Staffordshire beginning in1972, specializing in sexually transmitted diseases, and he began as a senior clinical lecturer at the University of Birmingham in 1982. He was the author of the book Sexual Infections, which came out in 1985, and was a member of the Medical Society for the Study of Venereal Disease.