Santos Alonso Alegre, was awarded a degree in Technical Biology from the País Vasco University (UPV/EHU) in 1988 and a PhD in Biological Sciences from UPV/EHU in 1996. He was a Research Fellow at the Wellcome Trust at the University of Nottingham’s Institute of Genetics from 1996 to 2001. Since 2001 he has been a Researcher on the Ramón y Cajal Programme, sponsored by the Ministry of Science and Technology, at the Department of Genetics, Physical Anthropology and Animal Physiology of the UPV/EHU Faculty of Science and Technology. His research career has centred on human population genetics and he currently leads and participates in diverse projects relating to the study of the genetic bases of human morphological characters.