Dr. Fang Xuexun, born in 1967, is a professor in the Key Laboratory of Molecular Enzymology and Enzyme Engineering of DOE, Jilin University. In 1990, he received his Bachelor’s degree from the Department of Molecular Biology of Jilin University, majoring in Biochemistry; in 1997, he graduated with a doctorate degree from the Department of Biochemistry, West Virginia University School of Medicine, majoring in Molecular Biology and Biochemistry. His post-doctoral training was from 1997 to 2000 at the Burnham Institute in La Jolla, California. He was recruited by Jilin University in 2001 as a professor. His main research interests include protease inhibitors from traditional Chinese medicines and their therapeutic applications.