Bruce was President of the Rotary Club of Parramatta from 1963-9. As President of Districts 260 and 275, which encompassed an area extending from Wyong in the north to Bateman’s Bay in the south and west to Lithgow, he was instrumental in establishing the Universities International House Appeal as a Rotary project. He enthusiastically set this as the main project for his Club and was soon invited to join the Management Committees of the appeal, acting as Publicity Officer for the duration of the appeal. Subsequently, he became a Company Member of UNSW
International House. In 1973 he was elected to the Board of Directors. He has served continuously since that time, including thirteen years as Chairman 1982-1995, missing only four meetings. Bruce established a strong working relationship with the Warden, Professor Ratcliffe, and with the Board of Directors. His experience as a practicing architect has been of immense value to the House including the modification and beautification of the courtyard.