Tomonobu Senjyu was born in Saga, Japan, in 1963. He received the B.S. and M.S. degrees from the University of the Ryukyus, Okinawa, Japan, in 1986 and 1988, respectively, and the Ph.D. degree from Nagoya University, Aichi, Japan, in 1994, all in electrical engineering. Since 1988, he has been with the Department of Electrical and Electronics Engineering, Faculty of Engineering, University of the Ryukyus, where he is currently working as a Professor. His research interests include stability of ac machines, advanced control of electrical machines, renewable energy, and power electronics. Prof. Senjyu is a member of the Institute of Electrical Engineers of Japan.