Jolanta Slowikowska-Hilczer, MD, PhD is a Professor in the Medical University of Lodz, Poland, and Head of the Department of Andrology and Reproductive Endocrinology. She is the academic lecturer, principal investigator of Polish and European research projects (among others EMAS and dsd-LIFE), the first author and co-author of about 180 scientific publications, as well as an editor and co-author of a Polish handbook on clinical andrology. She is a specialist in endocrinology and andrology. She has expertise in male infertility, hypogonadism and sexual problems, disorders in sex differentiation and development. She was the president of the Polish Society of Andrology in years 2011-2019