Cai Yuanqiang is a professor of Geotechnical engineering in Zhejiang University. He is also the president of Wenzhou University, as well as the vice chairman of the Chinese Society for Rock Mechanics and Engineering (Geoenviornmental Engineering Branch). He is an editorial committee member of the Journal of Rock Engineering, Journal of Rock and Soil Engineering, Journal of Vibration Engineering, and Journal of Zhejiang University Science (A) (SCI). His academic interests include foundation engineering, foundation treatment and saturated-soil dynamics. He has published over 200 research papers in archival journals with 40 of them in internationally-renowned journals.Dr. Sun graduated from Zhejiang University and got his Ph.D. degree in 2008. His research area focuses on the dynamic characteristics of saturated soft clay and saturated soil dynamics.