Gillian Barker is a Senior Teacher of the Billings Ovulation Method® who has been involved in the training of doctors, health professionals and teachers of the Billings Ovulation Method™ in China, Pakistan, Vietnam, USA and Australia. Gillian has made a very substantial contribution to the scientific validation of the Billings Ovulation Method® as collaborator with Emeritus Professor James B Brown in the study of ovarian hormones. She is currently employed by the University of Melbourne, as a Senior Research Officer at the Department of Obstetrics and Gynaecology, Mercy Hospital for Women..
