Sun is currently the deputy director of the National Natural Science Foundation of China, concurrently a professor and doctoral supervisor of Tsinghua University Computer Department, a member of the State Council Academic Degrees Committee, a member of the discipline evaluation group of the State Council Academic Degrees Committee, the director of the National Research Center for Enterprise Information Application Support Software Engineering Technology, and the chairman of China Engineering Graphics Society. Long-term engaged in computer graphics, computer-aided design and management technology and systems, as well as software engineering and theoretical teaching and research and development. Won the national and ministerial scientific and technological progress award 15; As the first finisher, he won the second prize of National Science and Technology Progress Award 1 item and the third prize 2 items; 65438+ 0 first prizes and 5 second prizes for scientific and technological progress of ministries and commissions; Published scientific papers 176, EI 56 and SCI 23; As the first author, he wrote four books. 19989 was awarded as an excellent teacher in Beijing, and 1999 was awarded as a national young and middle-aged expert with outstanding contributions.