Xuesi Chen is a Professor at the Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China. He received his Bachelor’s Degree from the Department of Chemistry, Jilin University in 1982, his Master’s Degree from the Graduate School of Changchun Institute of Applied Chemistry, Chinese Academy of Sciences in 1988, and his Ph.D. from the Department of Polymer Chemistry, Waseda University in 1997. He was a Postdoctoral at the Department of Biochemistry & Biophysics, Pennsylvania University from April 1997 to May 1999. His research areas include the Synthesis and Characterization of Biodegradable Polymers; Synthesis of Aluminum Schiff Base Catalysts for Stereoselective Polymerization of Racemic Lactides; Lactic Acid Oligmer Modified Nano-hydroxyapatite and Polylactide Composites; Intelligent Biodegradable Polymers and Hydrogels for Drug Controlled Release System; Biodegradable Polymers and their Medical Application Industrialization of Polylactic Acid Green Plastics.