副研發長, Mattson Technology, Plasma Product Group, 2014 – 2025
中心主任, Maxim Integrated Products, MFN Fab, 2010 – 2014
中心主任, Applied Materials, Etch Product Business Group, Dielectric Etch Division, 1999 – 2010
專家, Hewlett Packard Company, HP Lab, ULSI Research Lab, 1996 – 1999