Sun Yu is now a professor at the School of Management, Tianjin University of Commerce. Female, Dean of School of Management, Professor, Doctoral Supervisor of Department of Economics and Management of Tianjin University, Master Supervisor of School of Management of Business University, Dean, and academic leader. He is also an academic member of China Human Rights Foundation, an expert committee member of China Urban Economics Association, an expert committee member of Tianjin Urban Science Research Association, and distinguished professor of Tianjin Economic Development Research Institute. Doctor, postdoctoral fellow at CNRS University. Lecture: public economics, operation and management of urban public facilities, innovation of public goods supply mechanism, public relations.