Dr Zhidan Liu is currently an associate professor in Laboratory of Environment-Enhancing Energy (E2E), China Agricultural University (CAU). He holds a PhD from National key laboratory of Biochemical Engineering at Chinese Academy of Sciences. He has three years' visiting study in Centre for Chemistry and Chemical Engineering, Lund University, Sweden. He also holds postdoc in Department of Chemical Engineering, Tsinghua University prior to joining CAU. His research focuses on bioenergy and biofuels production via biochemical or thermo-chemical conversions. Dr. Liu serves as the guest editor of Current Biochemical Engineering, and the regular reviewer of a couple of international journals, such as Bioresource technology and International Journal of Hydrogen Energy. Dr. Liu has published 40 peer-reviewed articles, 4 patents and 2 books.