GOC is governed by an elected Board of Directors which includes a President, President-Elect, Secretary-Treasurer, Immediate Past-President and a minimum of five Members-at-Large. There are currently four standing committees and several ad-hoc committees.
GOC has more than 200 members. Its membership is made up of gynecologic oncologists, medical oncologists, radiation oncologists, pathologists, geneticists, nurses, scientists, pharmacists, other allied health professionals, fellows-in-training and residents. Most GOC members practice in Canada and many practice abroad.