Dr. Hongzhi Yin works as a senior lecturer and an ARC DECRA Fellow (Australia Discovery Early Career Researcher Award) with The University of Queensland, Australia. From March 2013 to December 2014, he worked as a visiting researcher at QCIS:UTS, under the supervision of Prof. Chengqi Zhang and Dr. Ling Chen. From June 2012 to December 2012, he worked as a research intern in Microsoft Research Asia (MSRA) and his mentor was Prof. Jirong Wen. His current main research interests include recommender system, social media analytics and mining, network embedding and mining, time series data and sequence data mining and learning, chatbots, federated learning, topic models and deep learning as well as how to make them socially responsible and environmentally sustainable. He has published 110+ papers and won 5 Best Paper Awards such as ICDE'19 Best Paper Award and ACM Annual Best Computing Award as the main author, and most of them have been published in reputed journals and top international conferences including VLDB Journal, ACM TOIS, IEEE TKDE, ACM TKDD, ACM TIST, ACM SIGMOD, ACM SIGKDD, VLDB, IEEE ICDE, AAAI, IJCAI, SIGIR, WWW, ICDM, ACM Multimedia and CIKM. He has been actively engaged in professional services by serving as conference organizers, conference PC member for PVLDB, KDD, SIGIR, ICDE, IJCAI, AAAI, ICDM, CIKM, DASFAA, ASONAM, MDM, WISE, PAKDD and reviewer of more than 10 reputed journals such as VLDB Journal, TKDE, TOIS, TKDD, TWeb, KAIS, IEEE Transactions on Cybernetics, WWW Journal, Knowledge-based system and etc.