Guo Huadong is Director General of the International Research Center of Big Data for Sustainable Development Goals (CBAS) and Professor of Chinese Academy of Sciences (CAS) Aerospace Information Research Institute. He is Academician of CAS, Foreign Member of the Russian Academy of Sciences, Foreign Member of the Finnish Society of Sciences and Letters, Fellow of the World Academy of Sciences (TWAS), and Fellow of the International Science Council (ISC). He presently serves as Honorary President of the International Society for Digital Earth (ISDE), Director of the International Center on Space Technologies for Natural and Cultural Heritage under the Auspices of UNESCO, Member of the 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 Journal of Digital Earth and Big Earth 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), and 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. He has published more than 500 papers and 24 books and is the awardee of 23 international and domestic prizes.