Prof. Cunjin Xue is a specially engaged professor of the Chinese Academy of Sciences (Backbone), a member of the Young Innovation Promotion Association of the Chinese Academy of Sciences (2013), a member of the Academic Construction Committee of International Research Center of Big Data for Sustainable Development Goals, and a director of Digital Ocean and Air Research Division. He completed his MS studies at Wuhan University, and his PhD studies at the Institute of Geographic Sciences and Resources, Chinese Academy of Sciences. He holds 11 national invention patents. He has contributed to more than 100 articles. His research topics mainly include: Marine Data Mining, Digital twin and marine sustainable development, e.g. process-oriented marine spatio-temporal representing and graph storing model, process-oriented marine abnormal variation extracting technology, and process-oriented marine spatio-temporal clustering and associating methods, digital twin system and applications.