Yongsheng Liu is now a senior researcher in China Unicom’s Research Institute, whose research interests include AI, blockchain and computing network. He serves as an associate Rapporteur of Q13/SG11 ITU-T and WG1 Chair of FG-AN ITU-T. He has been an editor for more than 10 Recommendations (published or under study), published more than 30 papers and got more than 10 patents. He received his B.E. degree from Dalian University of Technology in 2005, M.E. degree from University of Science and Technology of China in 2008, and Ph.D. degree from University of Tsukuba in 2012. He was an invited reviewer for journals and conferences such as IEEE TVT and ICC.