Yong-Nong Chang was born in Yunlin, Taiwan, in 1964. He received the BS, MS, and PhD degrees in Electrical Engineering from the National Sun Yat-Sen University, Kaohsiung, Taiwan, in 1986,1988, and 1995, respectively. Since 1995, he has been with the National Formosa University, Yunlin, where he is currently a Professor at the Department of Electrical Engineering. His current research interests include power electronics and their applications, particularly in lighting electronics and battery systems.