Professor Dimitrios G. Goulis is a full professor in Reproductive Endocrinology, serving at the 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Greece. He is currently or had been, among others: President, Hellenic Society of Andrology (2013 - 2017); Vice-President and President-Elect, European Menopause and Andropause Society (2019 - 2021); Treasurer, International Society of Andrology (2020 - 2025); Secretary General, European Academy of Andrology (2014 - 2018); Secretary General, European Menopause and Andropause Society (2017 - 2019); Training centre director, European Academy of Andrology (2013 -); Director, MSc in “Research Methodology in Medicine and Health Sciences”, Medical School, Aristotle University of Thessaloniki (2018 - 2022). He has published more than 350 full papers in peer-review international journals. His main research interests include male reproductive endocrinology, female reproductive endocrinology, endocrine and metabolic complications of pregnancy, menopausal transition, Evidence-Based Medicine and research methodology.