Haixin Guo received her M.S. degree in Environmental Engineering from Nankai University in China and her Ph.D. in Environmental Science from Tohoku University. She is working as a Professor at the Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs (Tianjin, China). She has published more than 90 peer-reviewed scientific papers, 4 books and 10 authorized patents. Her research mainly focuses on sustainable catalyst development, hydrothermal reactions including carbonization, solvothermal and mechanochemical pretreatment of biomass, and the conversion of biomass into chemicals and biofuels.