Dr. Jian-Xin Liu is a professor of ruminant nutrition at ZhejiangUniversity. Soon after he earned his Doctoral degree in Hokkaido University, Japan in 1988, he returned back to China. He was promoted to full professor in 1993. Awarded the Maria Currie Fellowship by European Union, he spent a year to do collaborative research with Prof. Dr. Bob Ørskov in Rowett Research Institute in 1995. As a Research Fellow supported by the Bonn-based Alexander von Humboldt foundation, he worked in University of Kiel for a year during 1999-2000, and in University of Hohenheim for three months in 2003. He served as the Dean of College of Animal Science, Zhejiang University during 2005-2013; currently he is serveing as Depute-Director for Faculty of Agriculture, Life and Environmental Science, and Director of Institute of Dairy Science. He is also the Director of National Engineering Laboratory of Biofeed Safety & Pollution Control, and Director of Ministry of Education Key Laboratory of Molecular Animal Nutrition. His recent interests include rumen metabolism and manipulation, lactation biology, dairy production, and utilization of feed resources. He has lead several national and international projects, including projects on associative effects between feedstuffs in ruminants, exploitation and industrialized utilization of non-conventional feed resources, development and use of rumen molecular techniques for predicting and enhancing livestock productivity, microbial and nutritional approaches to methane formation and manipulation in the rumen, and manipulation of dairy nutrition and feeds for efficient and safety production. Dr. Liu served as the President of China Society of Animal Nutrition during 2008-2012, and is the member of the editorial board of Animal Feed Science & Technology, Journal of Animal Physiology & Animal Nutrition, Asian-Australasian Journal of Animal Science, and Journal of Animal Science &Biotechnology. He is author and co-author of more than 300 articles, and chapters in books, and has presented papers at numerous national and international conferences. He was awarded the National Science Fund for Distinguished Young Scholars by National Natural Science Foundation of China (NSFC) in 2004. His other main awards include Bonn-based Alexander von Humboldt Fellow, IFS / Silver Jubilee Award, and Recipient of Specific Government Allowance.