Junjie Yang earned his Ph.D. from Kyushu University, Japan and is currently a Professor at the College of Environmental Science and Engineering, Ocean University of China. Prior to that, he served as a Teaching Assistant at Kumamoto University, Japan (1993–1995), a Lecturer (1995–1998) and an Associate Professor (1999) at Hachinohe Institute of Technology, Japan, a Teaching Assistant at Hokkaido University, Japan (1999–2002), and a Researcher at the Research Institute of Industrial Safety, Japan (2002–2003). He is also a member of the International Society for Soil Mechanics and Geotechnical Engineering, the International Society for Rock Mechanics and Rock Engineering, and the Chinese Society for Rock Mechanics & Engineering. His main research interests include Soft-base treatment; Long-term stability evaluation of geotechnical structures; Centrifugal modeling tests; Basic properties of reinforced soils and stability analysis of their structures; Application of various industrial solid wastes in geotechnical engineering; Ecological slope engineering; and Application of limit analysis cap method in geotechnical engineering.