Georg Griesinger is Professor at Luebeck University and chair at the Department of Gynecological Endocrinology and Reproductive Medicine, University Hospital of Schleswig-Holstein, Luebeck, Germany. He trained at the University of Vienna, where he worked in trophoblast research for his MD thesis, and then did postdoctoral studies at University College London, where he obtained an MSc in prenatal genetics and fetal medicine. His PhD was on ovarian stimulation for IVF using GnRH-antagonists. His research interests include the endocrinology of ovarian stimulation, FET protocols, evidence-based medicine in reproductive health care, epidemiological studies in IVF, and basic aspects of folliculogenesis and cryopreservation of human ovarian tissue. He has been an Associate Editor for Human Reproduction 2008-2012, for Fertility and Sterility 2010-2012, for the British Journal of Obstetrics and Gynecology 2013-2016 and RBMonline 2015-2022. He is currently editor for Reproductive Biomedicine Online and editor in-chief at Gynaekologische Endokrinologie. He is also member of several working groups of the scientific advisory board for the German Medical Association and member of several guideline development groups of the ESHRE. He is past coordinator of the special interest group REPRODUCTIVE ENDOCRINOLOGY of the ESHRE and served on the Executive Committee of the ESHRE 2013-2017.