Jun Cai (Senior Member, IEEE) received a Ph.D. degree in electrical engineering from the University of Waterloo, Canada, in 2004. From 2004 to 2006, he was a Natural Sciences and Engineering Research Council of Canada (NSERC) Post-Doctoral Fellow at McMaster University, Canada. From 2006 to 2018, he was with the Department of Electrical and Computer Engineering, University of Manitoba, Canada, where he was a Full Professor and the NSERC Industrial Research Chair. In 2019, he joined the Department of Electrical and Computer Engineering, at Concordia University, Canada, as a Full Professor and the PERFORM Research Chair. His current research interests include human digital twin, edge/fog computing, eHealth, radio resource management in wireless communications networks, and performance analysis. He received the Best Paper Award from Chinacom in 2013, the Rh Award for outstanding contributions to research in applied sciences from the University of Manitoba in 2012, and the Outstanding Service Award from the IEEE GLOBECOM 2010. He served as the General Chair for the 2023 Biennial Symposium on Communications, the Technical Program Committee (TPC) Co-Chair for IEEE GreenCom 2018, the Track/Symposium TPC Co-Chair for IWCMC 2008, IEEE GLOBECOM 2010, IEEE VTC 2019, 2012, and IEEE CCECE 2017, the Publicity Co-Chair for IWCMC 2010, 2011, 2013, 2014, 2015, 2017, and 2020, and the Registration Chair for QShine 2005. He also served on the editorial board for IEEE Internet of Things Journal, IEEE Wireless Communications Magazine, IEEE Systems Journal, IET Communications, and Wireless Communications and Mobile Computing.