Heshun Wang , PhD., became is a research associate at the ESSIC/CICS-MD in 2015. He got his B.S. in Geographic Information System from the Jilin University of China, and received his Ph.D. in Cartography and Geographic Information System from the Institute of Remote Sensing and Digital Earth, Chinese Academy of Science. His research interests include estimation of land surface variables from remote sensing data, land surface parameters modeling. He is currently working on land surface temperature and emissivity product retrieval algorithm development and validation.