Guo Huadong is the Director General of the International Research Center of Big Data for Sustainable Development Goals (CBAS), and a Professor of Chinese Academy of Sciences (CAS) Aerospace Information Research Institute. He 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 (TWAS). He presently serves as Honorary President of the International Society for Digital Earth (ISDE), Director of the International Centre on Space Technologies for Natural and Cultural Heritage under the auspices of UNESCO, Member of the International Science Council(ISC) Global Commission on Science Missions for Sustainability, Chair of Digital Belt and Road Program (DBAR), and Editor-in-Chief of two scientific journals International Joumal of Digital Earth and Big Barth Data. He served as Member of UN 10-Member Group to support the Technology Facilitation Mechanism for SDGs (2018-2021), Chairman of the International Committee of Remote Sensing of Environment (2017-2020), President of ISDE (2015-2019) and ICSU Committee on Data for Science and Technology (2010-2014). Prof. Guo specializes in remote sensing, radar for Earth observation and Digital Earth science.