Margaret Rees MA DPhil FRCOG is a Reader in Reproductive Medicine at the Nuffield Department of Obstetrics and Gynaecology, University of Oxford, and a Visiting Professor at the University of Glasgow and the Karolinska Institute. Her areas of interest are menopause and menstrual disorders and she has contributed towards over 300 publications. In both areas she has undertaken both laboratory and clinical research. She has authored and edited 20 books, two of which were highly commended in BMA Book Awards. She is the Editor-in-Chief of Maturitas and former Editor-in-Chief of Menopause International. She is also a Council member of the Committee of Publication Ethics (COPE). In 2006 she was awarded the Egon Diczfalusy Medal by the Karolinska Institute in recognition of her international profile in reproductive medicine. John Stevenson FRCP FESC MFSEM is a Reader in Metabolic Medicine at the National Heart and Lung Institute, Imperial College London, and Consultant Physician at the Royal Brompton Hospital, London, where he jointly runs the UK's first Female Heart Disease Clinic. He has contributed towards over 370 journal articles and book publications, including 10 textbooks. He is Chairman of the charity Women's Health Concern, Executive Committee Member of the British Menopause Society, Fellow of the European Society of Cardiology, Foundation Member of the Faculty of Sports and Exercise Medicine (UK), and is one of the editors of Maturitas. Sally Hope FRCGP DRCOG is a General Practitioner in Woodstock, Oxfordshire and an Honorary Research Fellow in Women's Health at the University of Oxford. She is a founding member of the Primary Care Group in Gynaecology and is the Royal College of General Practitioners' representative for the National Institute for Health and Clinical Excellence guideline group on osteoporosis. She has authored and contributed to major textbooks on women's health and was formerly Deputy Editor of Menopause International. Serge Rozenberg MD PhD is a Clinical Professor of Obstetrics and Gynaecology at the Université Libre de Bruxelles, Belgium. He is in charge of the menopause and osteoporosis unit at the CHU St Pierre, and is a recognized authority in women's health. He has published more than 100 articles in international peer-reviewed journals on topics such as women's health, menopause, osteoporosis and reproductive endocrinology. He is on the editorial board of several international journals and has received several awards and grants for his research.He is also currently the secretary of EMAS and one of the editors of Maturitas. Santiago Palacios is Director of the Instituto Palacios de Salud y Medicina de la Mujer (Palacios Institute of Woman's Health), in Madrid, Spain. He is President of the European Foundation for Womean and Health, and Chairman of the Council of Affiliated Menopause Societies (CAMS). In 1989, Dr Palacios founded the first Spanish Unit devoted to the advancement of information on menopause at the Foundation Jimenez Diaz. His most important research areas are menopause, osteoporosis and female sexual dysfunction. He has contributed towards more than 300 publications in books and journal articles on women's health. He is a member of several Menopause Societies in Europe and Latin America, and has received many awards in recognition of his international profile.