Prof. Xiang Ji is a professor at the School of Mechanics and Civil Engineering at the China University of Mining and Technology. He is also the deputy dean of the Sustainable Design Institute of the China University of Mining and Technology, the director and chief scientist of the Jiangsu Building Energy Saving and Construction Technology Collaborative Innovation Center, the executive director of the Architectural Society of China, the vice president and secretary-general of the Jiangsu Institute of Architects, a national higher vocational college student, and the chairman of the Professional Steering Committee for Architecture and Planning, etc. He mainly engages in sustainable architecture and environmental design, urban underground space design and development technology, and ecological urban design theory and technology.