Juan Pedro López Siguero is Professor of Pediatrics at Málaga University and Head of the Pediatric Endocrinology Unit at the Children´s Hospital in Málaga, Spain. Prof. López Siguero obtained his medical degree from the University of Madrid in 1977 and his PhD from Málaga University in 1991. He was a Resident of Pediatrics at the Jiménez Díaz Foundation University Hospital in Madrid from 1978–1981 before joining the Children’s Hospital in Málaga in 1981 as a Staff Specialist in Pediatrics. His main research interests focus on growth factors, growth hormone treatment, Noonan and Turner syndrome, diabetes type 1 (clinical and epidemiology), childhood obesity, and insulin sensitivity. He is a member of the Spanish Society for Pediatric Endocrinology and European Society for Pediatric Endocrinology, and he is a member and President (2008–12) of the Spanish Pediatric Association Council.