Yu Guo is currently a Lecturer at the School of Artificial Intelligence, Beijing Normal University. He received his B.E. degree in Software Engineering from Northeastern University in 2013, his M.Sc degree in Electronic Commerce, and a Ph.D. degree in Computer Science from the City University of Hong Kong in 2014 and 2019. He has also been a Postdoctoral and Research Fellow at the City University of Hong Kong. He is a co-recipient of the Best Paper Award of MMM 2016 and IEEE ICDCS 2020. His research interests include cloud computing security, network security, privacy-preserving data processing, and blockchain technology.