Kai Yan received his B.S. degree in Mapping and Surveying from the Beijing University of Civil Engineering and Architecture, Beijing, China, in 2011 and a Ph.D. in Geographic Information System (GIS)/Remote Sensing (RS) from Beijing Normal University, Beijing, in 2018. He was a visiting scholar with the Department of Earth and Environment, Boston University, Boston, MA, USA, from 2014 to 2016 and an associate professor with the School of Land Science and Techniques, China University of Geosciences, Beijing. He is currently an associate professor with the Faculty of Geographical Science, Beijing Normal University. He has been involved in the generation and assessment of the official MODIS/VIIRS global leaf area index (LAI) and the fraction of photosynthetically active radiation absorbed by vegetation (FPAR) products. His research interests include vegetation bidirectional reflectance distribution function (BRDF) modeling, RS big data and artificial intelligence, and LAI and FPAR mapping.