A professor at the Department of Optical Engineering, Zhejiang University, Hangzhou, China ,  also the president of SENSING Instruments Co., Ltd.
Has been working on Lighting and Display metrology over 20 years, with focus on photometry, colorimetry, and photobiological safety metrology of light sources.
The representative of China in the IEC working group TC76/WG9 for Optical Radiation Safety of non-laser Sources.
The project leader of IEC 62341-6-3 for OLED Measuring Methods of Image Quality and IEC 62471-4 for Photobiological Safety of Lamps and Lamp Systems: Measuring Methods.
Received the IEC 1906 Award for my  contribution to the IEC.
Also a member of the IEC working group TC110/WG5 for Organic Light Emitting Diode Displays, IEC TC110/WG2 for Liquid Crystal Displays and IEC TC110/PT62595 for Back Light Unit.
A member of ICDM, and of China National Standardization on Optical Radiation Safety, Lighting Sources and Luminaires, Lighting LED, Flat Panel Display, also a  member in the CIE Division 2 and Division 6.
Chairman of CIE TC 2-73 for Photobiological Safety Measurement of Lighting Products, and the liaison of CIE Division 2 and IEC TC110/WG5.
Be in charge of development of China national standard on assessment of LED radiation Safety, and measurement of LED modules and FPDs. He is the director of China Illuminating Engineering Society and China Association of Lighting Industry, and adviser of China Optics and Optoelectronics Manufactures Association LED Division.
Won China Government Science Awards for my achievement in mirror goniophotometers in 2007, and won four consecutive awards of China LED Innovation Technology in 2008, 2009, 2010 and 2011.
Research work

Lighting and Display metrology