Mao Xin, from Chengdu, Sichuan, China, graduated from Sichuan Agricultural University in 2008 with a Bachelor 's degree in Food Science and Engineering and graduated from South China Agricultural University in 2012 with a Master 's degree in Food Science. Mao Xin is taking up the position of Technical R&D Director of Chongqing Siweite Pet Products Co., Ltd. His main research directions are functional food research and development of pet dogs, pet immunity, as well as pet oral and intestinal health. To date, Mao Xin has published several SCI papers related to food functional ingredients for pets as a corresponding author or participant.