He was born in Madrid (Spain) in 1971. He was graduated in electronical engineering in 1995 at the Pontificia Comillas University (Spain). He joined the Institute of Technological Research (IIT) as a research assistant in october 1995, doing transient studies under lightning surges using the simulation programm EMTP. In November 1996, he joined Iberdrola Ingeniería y Consultoría (spanish electrical utility) and took part in the development of a project for detection of abnormalities as well as overvoltage transient studies using the EMTP. In july 1998 he returned to the IIT in order to do a PhD.