PhD in Materials Science and Engineering, Virginia Polytechnic Institute and State University, Blacksburg, US. Formerly, with Light Photonics, Coherent and Corning in US, working on high-power semiconductor lasers. Currently: also President, Xi'an Focuslight Technologies; current work on development of high power semiconductor laser technology and products; research interests include optoelectronic packaging, characterization, processing design and development, thermal management, reliability evaluation and failure analysis of optoelectronic devices and packages. Author of over 90 papers in journals and conference proceedings; holds about 20 US and Chinese patents. Senior Member, IEEE CPMT Society. Member, Recruitment Programme of Global Experts, China. Recipient of awards in US and China.