Professor Nanqi Ren is an academician of the Chinese Academy of engineering. He is the recipient of the National Outstanding Youth Science Fund Award and appointed by the Ministry of Education as Cheung Kong Scholars Professor. Currently, he serves as the Vice Chancellor of HIT and the Director of State Key Lab of Urban Water Resources and Environment. Professor Ren is the Leading scientist of a national innovation group “the principles and technologies of urban water quality transformation”. He serves as the member of the Academic Degree Commission of the State Council, the member of Resources and the Environment and Earth Sciences council of the Ministry of Education, fellow of the International Water Association (IWA)), vice chairman of environmental engineering education guidance committee of Ministry of Education, deputy director of the microbiology and environmental microbial Committee of the Chinese Society of Microbiology, vice chairman of the China Institute of Environmental Sciences; vice chairman of China Institute of Energy. His research focused on bioenergy theory and process technology, biological wastewater treatment technology, source and sink of pollutants, transformation principles and removal mechanisms, etc. He has won the second-class State technological invention award once, the second prize national scientific and technological progress twice, provincial and ministerial level awards 11 times. He has published 12 monographs and 300 papers on international journals. He also has granted 28 national patents.