On the 8th of December, alumni from 1982 Construction Management and Engineering Program got together at SEM to celebrate their 30-year anniversary of graduation. Prof. HUO Jiazhen, Dean of SEM, and Prof. YE Minghai, Chair of Department of Business Administration were invited to the event. Dean HUO warmly welcomed the students return to SEM and reviewed the development of the past three decades. Founded in 1982, SEM originally boasted 300 students. Currently, the total number of students reaches 5000 in six departments, which ranks the 7th largest student scale for business school in mainland China. Prof. YE also made an introduction to the development of Department of Business Administration. The memory of studying in SEM is unforgettable for the alumni who learned what is most cherished and valuable knowledge and experience. In the afternoon, the alumni visited Tongji Historic Gallary.