Anders Juul is head of department and clinical professor at Rigshospitalet and University of Copenhagen, Denmark. He is a pediatric endocrinologist and EAA certified andrologist. He has published more than 600 scientific papers (H index 90, SCOPUS). In 2015 he received the prestigious ESPE Research Award. His main contributions to science include Growth hormone and IGF-I children and adults, DSD and sex chromosome anomalies including Klinefelter syndrome as well as timing of puberty and its disorders.