Sun Tieheng is a famous environmental scientist and ecologist, the former director of Shenyang Institute of Applied Ecology of Chinese Academy of Sciences．He is now President of Shenyang University, President of Shenyang Association of Science and Technology, director of Shenyang Institute of Applied Ecology of Chinese Academy of Sciences Academic committee, Researcher, Doctoral supervisor.
Sun Tieheng held positions such as the deputy president of Ecological Society of China，the deputy president of Soil Science Society of China and the president of Liaoning Ecological Society．He is now a member the National Environmental Advisory Committee．a member of Chinese People and Biosphere National Committee, a member of Liaoning Communist Party Committee and Liaoning Provincial Government Decision Making Committee, the deputy director of Liaoning Association of Science and Technology, the vice president of Liaoning Environmental Society, the president of Shenyang Environmental Society, the chief editor of Chinese Journal of Ecology. He is professor and doctoral supervisor in many universities like Graduate University of Chinese Academy of Sciences etc.
Sun Tieheng is an academic pioneer and an academic leader on both pollution ecology and environmental engineering. He presided a dozen of projects, including the project supported by the State Key Program of National Natural Science of China, the project of national key scientific and technological 1evel, the major innovation project in Chinese Academy of Science and the international cooperative research project of UNESCO. He has won 17 national awards, including the award for scientific and technological advance and the progress prize in science and technology of Chinese Academy of Science.