Pei Shengji is a research professor at Kunming Institute of Botany, Chinese Academy of Sciences, founder of Chinese ethnobotany, fellow of Linnean Society, member of IUCN-WCPA-CSVPA; ex-President of International Society of Ethnobiology (ISE, 1998-2002); Division chief of Mountain Natural Resource, International Center for Integrated Mountain Development(1990-1998); Director of Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences (1978-1986); After retirement in 2003, he is still active in BioCultural Diversity research and traditional botanical knowledge studies and biocultural diversity conservation in China and Southeast Asia.