Joined Chroma in 1998, serving as a director since June 6, 2012 and as Business Unit President of Chroma since July 1, 2007. Mr. Tseng was the Research Assistance of Pennsylvania State University from 1986 to 1992 and served as the Project Manager of Institute for Information Industry from 1992 to 1998. Mr. Tseng received his PhD degree in Mechanical Engineering from Pennsylvania State University in 1992.