Rosemary Jones was born in Worcester, England. She earned a bachelor of medicine from the University of Bristol, going on to specialise in gynaecology. Jones has worked in South Africa, Zimbabwe, England and Australia, and specialises in endometriosis, hormone-replacement therapy, laparoscopy, menopause, pelvic pain and testosterone. She is a co-founder of the Beaumont Trust, an organisation established in the United Kingdom that provides information and support relevant to gender dysphoria and transgender-related matters. Jones now operates a private menopause clinic in Adelaide, Australia, and is a member of Doctors for Voluntary Euthanasia Choice.