From 2012 to 2015, he was a Research Associate with the Faculty of Human Sciences, Waseda University. He has been working as a Visiting Researcher with the RIKEN Center for Advanced Intelligence Project, RIKEN, Tokyo, since 2017. He has been engaged in interdisciplinary research works in the fields of computer science and engineering, information systems, and social and human informatics. His recent research interests include ubiquitous computing, big data, machine learning, behavior and cognitive informatics, cyber-physical-social systems, cyber intelligence, and security.Dr. Zhou is a member of IEEE CS, and ACM, USA, IPSJ, and JSAI, Japan, and CCF, China.