Dr. Hwa-Dong Liu received an M.S. degree from Chung-Yuan Christian University, Taoyuan, Taiwan, in 2006, and a Ph.D. degree from the National Taiwan University of Science and Technology, Taipei, Taiwan, in 2020. From April 2008 to July 2021, he was a Group Chief with the Taipei Metro. Since August 2021, he has been with the Undergraduate Program of Vehicle and Energy Engineering, National Taiwan Normal University, Taipei, where he is currently an associate professor. His primary research interests include power electronics for electric vehicle applications and solar energy.