Dr. Alexander Menzies is an oncologist based in Chatswood. He is a professor at the University of Sydney, where he is the head of the Department of Oncology. He has a special interest in the treatment of breast cancer and has published extensively in the area. He is an active member of the Australian and New Zealand Society of Oncology and has been involved in many clinical trials and research projects. He is also a member of the International Association of Cancer Research and the European Society of Medical Oncology.