Oscar Fernández was born in Reinosa (Santander), Spain in 1976. He received a degree in telecommunications engineering and a Ph.D. degree from the University of Cantabria, Santander, in 2001 and 2007, respectively. In 2002, he joined the Department of Communication Engineering at the University of Cantabria, where he has worked on several research projects related to radio channel characterization and metamaterials. In 2008 he became an associate lecturer in electronics and Assistant Professor of RF and Microwave in 2018. His current research interests include numerical methods in electromagnetism, chiral metamaterials characterization at microwave frequencies, microwave measurements, and radio channel characterization.