Prior to joining at the University of the Pacific, he has worked in industries for many years. His research focuses on CNC machine design and analysis, computer-aided manufacturing and manufacturing system automation. He has published more than 80 peer reviewed technical journal and conference papers. Dr. Liu was also awarded four patents. He has invented many new technologies which have been practically applied in industries. He received the Industrial LEAD Award from SME in 2001. Dr. Liu received his B.S. and M.S. degrees in mechanical engineering in China. After receiving his Ph.D. degree in Japan, he moved to the United States in 1997 and did his post-doctorate work at the University of California,