Daniel Arcos was born in Madrid, Spain, in 1971. He is holding a postdoctoral research position ('Ramon y Cajal' grant) at the Universidad Complutense de Madrid, Spain. Since completing his PhD in 2002 on the synthesis and evaluation of bioactive glasses and glass-ceramics, he has worked on the structural studies of silicon containing hydroxyapatites. Currently, his research is focused on mesoporous materials for biomedical applications