GUO Huadong is a Professor of the Chinese Academy of Sciences (CAS) Institute of Remote Sensing and Digital Earth (RADI). He specializes in remote sensing information mechanisms, radar for Earth observation, and digital Earth science. He has published more than 600 papers and sixteen books, and is the principal awardee of sixteen domestic and international prizes. Prof. Guo is an Academician of CAS, a Foreign Member of the Russian Academy of Sciences, a Foreign Member of the Finnish Society of Sciences and Letters, and a Fellow of the World Academy of Sciences. Currently he serves as President of the International Society for Digital Earth, Member of the United Nations 10-Member Group to support the Technology Facilitation Mechanism, Chairman of the International Committee on Remote Sensing of Environment, Director of the International Centre on Space Technologies for Natural and Cultural Heritage under the Auspices of UNESCO, and Editor-in-Chief of the International Journal of Digital Earth and Big Earth Data published by Taylor & Francis. He was President of the ICSU Committee on Data for Science and Technology (2010-2014).