Alessandra Renieri is a Professor at the Medical Genetics Center, University of Siena, Siena, Italy, and the Director of the Division of Medical Genetics at the Azienda Ospedaliera Universitaria Senese, Siena, Italy. She is a Health Care Provider representative/sub-representative of several European Reference Networks (ERNs), including ITHACA, ERKnet, PAEDCAN, EURObloodNet, EURACAN, RITA, and GENTURIS. She earned a Ph.D. in Human Genetics at the University of Turin, Turin, Italy, in 1994. Her main research interest has always been the study of the molecular bases of intellectual disabilities, with a special focus on X-linked forms, modeling factorial disorders like cancer and COVID, and advanced medicinal products such as gene editing. She is now renewed for a third mandate as the European representative of Clinicians of CAT (Committee for Advanced Therapies) at EMA.