Xiaojun Sun is currently Dean, Professor, and doctoral supervisor of the School of Psychology at Central China Normal University. He also serves as Director of the Key Laboratory of Adolescent Cyberpsychology and Behavior (Ministry of Education) and Director of Hubei Key Laboratory of Human Development and Mental Health. Concurrently, he is a member of several professional committees under the Chinese Psychological Society, as well as Vice Chairman and Secretary-General of the Psychological Society of Hubei Province. He has presided over more than 20 national and provincial/ministerial research projects, such as general programs and youth programs funded by the National Natural Science Foundation of China.He has long been committed to research on adolescent psychological development in the digital era. He has published over 150 high-level academic papers in authoritative international SSCI/SCI journals including Developmental Psychology and Computers & Education, as well as core CSSCI journals in China such as Acta Psychologica Sinica and Psychological Development and Education. Focusing on cutting-edge topics including adolescent online social interaction and psychological adjustment, his research has yielded a series of high-quality empirical findings.