Ziyi Zhang received the B.S. degree in electronic engineering, the M.S. degree in electronic science and technology, and the Ph.D. degree in biomedical engineering from the National University of Defense Technology, Changsha, China, in 2010, 2012, and 2016, respectively. From 2015 to 2016, he was a Visiting Academic with the University of South Wales, Pontypridd, U.K. He is currently an Associate Professor with the National Innovation Institute of Defense Technology, Beijing, China. His research interests include terahertz communication, terahertz biophysics, and bioelectromagnetics.