Prior to founding Cathay Industrial Biotechnology in 1997, Dr. Liu was the founder and chief executive officer of Unistone Pharmaceutical Co., Ltd. From 1991 to 1994, he was a senior scientist of The Sandoz Research Institute. From 1989 to 1991, he was a postdoctoral researcher at both Yale and Columbia Universities. Dr. Liu received a Bachelor of Science degree in analytical chemistry from the Chinese University of Science and Technology in 1981, received a Master of Science degree in Soil Science from the Chinese Academy of Science in 1984 and received a Ph.D. degree in biochemistry from University of Wisconsin in 1989.