Manuel Sierra Castañer

has been employed in academia at Technical University of Madrid in Spain since 1998, he is currently a professor. He has been director of several research projects, has published 40 papers in scientific journals and he has directed 8 PhD Thesis. His education includes a B.S. in telecommunication engineering and a Ph.D. in telecommunication engineering, both from Technical University of Madrid in Spain. Currently, Dr. Sierra’s research interests are in planar antennas and antenna measurement systems.