Prof. Dr. Hai Yan is a Professor, Doctoral Supervisor, and Director of the Department of Biological Science and Engineering, University of Science and Technology Beijing, Beijing, China. He was the vice dean of the School of Chemistry and Biological Engineering, and a High-End Leading talent of Zhongguancun in 2016. From December 1995 to June 2004, he was an Associate Researcher, Assistant Researcher and Intern Researcher at the State Key Laboratory of Environmental Water Quality, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, and the Deputy Director of the Regional Ecology Research Office. He earned, a Ph.D. in Science at the Graduate School of the Chinese Academy of Sciences in 2002. His main research interests include: pathways and mechanisms for biodegrading organic pollutants by bacteria; the Isolation, culture and application of probiotics in humans, animals and plants; and resource use of organic waste by microorganisms.