Jun Cai received the Ph.D. degree from the University of Waterloo, Canada, in 2004. From June 2004 to April 2006, he was with McMaster University, Canada, as a Natural Sciences and Engineering Research Council of Canada (NSERC) Postdoctoral Fellow. From July 2006 to December 2018, he has been with the Department of Electrical and Computer Engineering, University of Manitoba, Canada, where he was a full Professor and the NSERC Industrial Research Chair. Since January 2019, he has joined the Department of Electrical and Computer Engineering, Concordia University, Canada, as a full Professor and the PERFORM Research Chair. His current research interests include digital twin, distributed learning, semantic communication, edge/fog computing, radio resource management, and performance analysis. Dr. Cai served as the General Chair of IEEE BSC 2023; Technical Program Committee (TPC) Co-Chair for IEEE GreenCom 2018; Track/Symposium TPC Co-Chair for the IEEE VTC-Fall 2019, IEEE CCECE 2017, IEEE VTC-Fall 2012, IEEE Globecom 2010, and IWCMC 2008; Pannel Co-Chair for IEEE VTC-Fall 2025. He also served on the editorial board of IEEE Transactions on Vehicular Technology, IEEE Internet of Things Journal, IEEE Wireless Communications Magazine, and IEEE Access. He was appointed as the IEEE Vehicular Technology Society Distinguished Lecturer in 2024.