Quanguo Zhang is former Vice President and doctoral supervisor of the College of Mechanical and Electrical Engineering at Henan Agricultural University, China. He has been engaged in teaching and research work in the scientific field of biogas and biomass energy for a long time, having implemented projects from National Natural Science Foundation. Fifteen of his research projects have won the provincial science and technology awards and he holds 11 national patents. He has published more than 200 papers and produced some original results with internationally significant effects on photo-fermentative bio-hydrogen production, biogas engineering, and high efficiency combustion of biomass.