Li Xiaosong is a Professor of CBAS. His main research interests are Big Data for SDG 15, remote sensing and applications on dryland ecosystems, with ongoing research focused on land degradation monitoring and assessment, sparse vegetation information retrieval in desertified regions, benefits evaluation of ecological restoration project. He received the Ph.D. degree in forest remote sensing from Chinese Academy of Forestry. He was a Visiting Scholar at University of Maryland, USA, and has been with Institute of Remote Sensing and Digital Earth since 2008, where he has been a research professor since 2011. He was the member of UNEP-CBAS "Measuring progress" report expert group, UNCCD LDN-TSP Consultant.