Frank Tüttelmann, MD, is Director of the Institute of Reproductive Genetics at the University of Münster (Germany) and coordinates the DFG funded Clinical Research Unit 'Male Germ Cells: from Genes to Function‘ since 2017. His primary research topic is genetics of infertility and the majority of his publications deals with novel causes of spermatogenic failure. He aims to functionally scrutinise these and quickly translate them into the clinical setting.