Dr. Dimitrios G. Goulis was born in Thessaloniki, Greece. He completed his basic medical training (M.D.) in the Aristotle University of Thessaloniki and received his Ph.D. degree from the same University. Having a scholarship from the European Union, he worked for four years as clinical research fellow at St. Mary's and Hammersmith Hospitals, London, UK, acquiring the specialty of Endocrinology, Diabetes and Metabolism. He is currently associate professor of Reproductive Endocrinology in the First Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, Greece. Dr. Goulis has published more than 180 full papers in peer-review international journals and 150 in Greek journals. He was an invited speaker in more than 300 Greek and international congresses and seminars. He has been a reviewer in 30 international medical journals and associate editor of “Human Reproduction”, “Andrology”, “Journal of Endocrinological Investigation”, “Hormones”, “Anir” and “Human Reproduction Open”. He is currently president of the Hellenic Society of Andrology (2013 – 2017), general secretary of the executive council of the European Academy of Andrology (2014 – 2018) and general secretary of the executive council of the European Menopause and Andropause Society (2017 – 2019). Dr. Goulis’ main research interests include male infertility (anti-Müllerian hormone and inhibin-B, sperm DNA fragmentation), endocrine complications of pregnancy (gestational diabetes, thyroid disease, vitamin D deficiency in pregnancy) and polycystic ovary syndrome (metabolic syndrome in women with PCOS). He was a member of the writing group of the “Thessaloniki European Society of Human Reproduction & Embryology (ESHRE) / American Society of Reproductive Medicine (ASRM)-Sponsored PCOS Consensus Workshop”, which produced the “Consensus on infertility treatment related to polycystic ovary syndrome” in 2008.