Li Fei obtained his Bachelor's and Master's degree from Beijing Forestry University. After graduating in 2009, he worked at Hainan Yinggeling National Nature Reserve. In 2012, he joined KCC, where he serves as a core member of the biodiversity assessment team. In this role, he has led many ecosystem and endangered species protection projects. He had been actively involved in the conservation of the limestone ecosystem in Exianling, Hainan Gibbon, annual wintering waterbird survey in Hainan, and the conservation of rare mammals in Xishuangbanna, Yunnan. Currently, he leads the conservation projects targeting otters and Cao-vit Gibbon in China. Li Fei is a member of two IUCN/SSC Specialist Groups (Otter and Small Carnivore), the record committee chair of the Hainan Birdwatching Society, and editor of the China Bird Watch magazine.