Professor Roger Hart is sub-specialist in reproductive endocrinology and infertility (CREI), he is the National Medical Director of City Fertility and the local lead for Western Australia, and Professor of Reproductive Medicine, Deputy Head of the Division of Obstetrics and Gynaecology at University of Western Australia, and the lead clinician for the public fertility service of Western Australia. He has active research interests in the early life origins of reproductive disorder, PCOS, the longer-term outcomes after IVF treatment, and fertility preservation for individuals with cancer. He has published over 250 research papers and chapters in the field of reproductive medicine, and is a recognised international expert in the field of infertility.