Yan Shiyan, male, born in 1963, Ph.D. in Agriculture, is currently a professor at the College of Animal Science and Technology of China Agricultural University, a doctoral tutor, deputy director of the National Feed Engineering Technology Research Center, and deputy director of the Feed Industry Center of the Ministry of Agriculture. Deputy Secretary General and Standing Director of Animal Nutrition Branch of China Animal Husbandry and Veterinary Association, Standing Committee Member of Feed Additives Committee of China Feed Industry Association, Member of Expert Committee of Agricultural Product Quality and Safety Certification Center of Ministry of Agriculture. Since 1989, he has been engaged in research, teaching and technology transfer, engineering support and personnel training for animal nutrition and feed science for many years. He is one of the major members of the National Natural Science Foundation's innovative research group, the Animal Nutrition and Feed Science Research Group. . In the scientific research work, we attach great importance to the innovation of disciplines and research methods, closely combine with the actual production, and focus on the application of basic theoretical research and technology development in the technological advancement of aquaculture and feed industry, from the aspects of healthy farming and efficient utilization of feed resources. commence to work. He has presided over more than 10 research projects in various countries or departments such as the National Natural Science Foundation, the National Science and Technology Research Project, the Agricultural Science and Technology Cross-Section Program of the Ministry of Agriculture, and the Agricultural Science and Technology Achievements Transformation Fund, and published more than 100 research papers, among which the first or correspondent author published SCI. He has collected more than 40 papers, won one second prize of National Science and Technology Progress Award, one first prize of Science and Technology Progress Award of the Ministry of Education, and one second prize of Beijing Science and Technology Progress Award. The presiding system (revision) has set 6 national and industry standards. In 2004, it was awarded the “8th China Youth Science and Technology Award” by the Central Organization Department, the Ministry of Personnel and the China Association for Science and Technology. In 2005, it was funded by the National Science Fund for Distinguished Young Scholars. It is a research group of the National Natural Science Foundation of China - Animal Nutrition and Feed Science Research Group. One of the core members was selected as a national candidate for the “New Century Talent Project” in 2006.

In 2003, he began to work on the research and development of antimicrobial peptides. He is currently the host of the National 863 Major Science and Technology Program “Research and Promotion of Key Technologies for Cecropin Antibacterial Peptide Industrialization”, and the research on the production technology of Bacillus and Lactobacillus in Beijing. The moderator is one of the inventors of the company's products.