Chien-Liang Chen (S'06) received his B.S. and M.S. degrees in Electrical Engineering from National Taiwan University of Science and Technology, Taiwan, in 2002 and from National Tsing-Hua University in 2004, respectively. He is currently pursuing the Ph.D. degree at the Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg. From 2006, he was a Research Assistant at the Future Energy Electronics Center (FEEC), Virginia Tech. His research interests include grid-tie inverters, parallel inverters, mircogrid applications, and soft-switching techniques.

Younghoon Cho received the M.S. degree in Electrical and Computer Engineering from Seoul National University, Seoul, Korea, in 2004. From 2004 to 2009, he had worked as an engineer in the technical research institute at Hyundai Mobis. He is currently pursuing the Ph.D degree at Virginia Polytechnic Institute and State University. His research interest includes power electronics, machine drives and high performance DSP applications. His contact information is yhcho98@vt.edu.

Ahmed Koran received the B.S. degree in Electrical Power Engineering from Yarmouk University, Irbid, Jordan and the M.S. degree in Electrical Engineering from Illinois Institute of Technology, Chicago, USA in 2004 and 2007, respectively. Currently, he is working towards the Ph.D. degree in Power Electronics at the Virginia Polytechnic Institute and State University, Blacksburg, USA.

From 2004 to 2006, he was a lab engineer at Yarmouk University. From 2007 to 2008 he worked as an instructor at Yarmouk University. He is currently a Graduate Research Assistant at the Future Energy Electronics Center (FEEC) at Virginia Polytechnic Institute and State University. His research interest includes the development of Power Electronics systems for renewable energy applications.

Thomas received his B.S. degree in Electrical Engineering in 2009 from Virginia Polytechnic Institute and State University, where he is currently pursuing the Ph.D. degree.  He is currently working as a research assistant in the Future Energy Electronics Center at Virginia Polytechnic Institute and State University.  His areas of interest include high efficiency bi-directional converters for energy storage applications and soft-switching techniques for inverters and dc-dc power converters.

Daniel Martin (S'09) received his Bachelors in Electrical Engineering from Michigan State University in 2008. He is currently pursuing a Ph.D. degree from Virginia Polytechnic Institute and State University. His area of interest is distributed power systems and parallel inverters for alternative energy applications.

Hao (Howard) Qian received his B.S and M.S. degrees in electrical engineering from Zhejiang University, China, in 2003 and 2006, respectively, and is currently pursuing the Ph.D. degree at Virginia Polytechnic Institute and State University, Blacksburg. From 2006, he is a graduate research assistant at the Future Energy Electronics Center (FEEC), Virginia Tech. He has been designing and testing the high-efficiency 100kW soft-switching dc-dc converter and the FreedomCAR high-efficiency soft-switching dc-ac inverter. His current interests are related to high-efficiency ac-dc bidirectional power conditioning systems.

Yaxiao Qin (S’08) received his M.S. degree at the Department of Electrical Engineering from City University of Hong Kong, Hong Kong, in 2009. He is currently pursuing the Ph.D. degree in electrical engineering from the Virginia Polytechnic Institute and State University, Blacksburg, USA. His current research interests include the design and development of switching-mode power supplies, LED driving circuits, and electronic ballasts for fluorescent lamp. Mr. Qin has served as a Reviewer for the IEEE TRANSACTIONS ON INDUSTRY ELECTRONICS and several conferences.

Pengwei Sun received his B.S. degree in Electrical Engineering in 2004 from North China Electric Power University (NCEPU), China. He then earned his M.S. degree in electrical engineering in 2007 from NCEPU. Since 2007, he has been a graduate research assistant and PhD student in Future Energy Electronics Center (FEEC), Virginia Tech, USA. He has been designing and testing the FreedomCAR three-phase, high-efficiency, high-temperature soft-switching inverter for hybrid electric vehicle traction drives applications. His current interests are related to renewable energy power electronics system research and development.

Bret received his B.S. degree in electrical engineering from the University of Arkansas in 2008.  He is now pursuing a Ph.D. degree at Virginia Polytechnic Institute and State University.  He is currently working as a research assistant at the FEEC.  His research interests include grid-tie inverters as well as bi-directional converters energy storage applications.

Ben received the B.S. degree in Electrical Engineering from The University of Alabama in 2008.  He is now pursuing the PhD degree as a research assistant at the FEEC, supported by the Bradley Foundation.  His research interests currently involve the design and control of power electronics for renewable energy systems, specifically focused on adaptive control in photovoltaic and energy storage applications.