Guizhi Xu (Member, IEEE) is currently a Professor with Hebei University of Technology, Tianjin, China. Her main research interests include bioelectromagnetic technology, brain cognition, and neural engineering. Xinjie Yu joined the Department of Electrical Engineering at Tsinghua University since 2001. He holds Bachelor and Ph.D. degrees of Electrical Engineering in 1996 and 2001 respectively from Tsinghua University. His research interests include magnetoelectric materials, pulse power supplies, intelligent optimization, wireless energy transfer. He has been the PI of more than 10 academic projects. He is the author of 3 books on evolutionary algorithms, electric circuits, and pedagogy and more than 20 peer-reviewed international journal papers. He serves as the Editorial Board Member of Transactions of China Electrotechnical Society.