Sergio Llorente-Romano was born in Madrid, Spain, in 1977. He received the Ingeniero de Telecomunicacion (M.S.E.E.) and Ph.D. degrees from the Universidad Politécnica de Madrid (UPM), Madrid, Spain. Since September 2009, he has been with the Radiofreequency group in the department of Signal and Communications Theory in Universidad Carlos III de Madrid. His research activities and interests are in the area of numerical methods applied to electromagnetic problems related to the design of microwave devices.