President of Harbin Institute of Technology, Academician of the Chinese Academy of Sciences, Winner of the National Science Fund for Distinguished Young Scholars, Executive Deputy Director of the Materials Department of the 8th Science and Technology Commission of the Ministry of Education, Vice Chairman of the 8th Council of the Chinese Society of Astronautics, and the Honorary Director of Chinese Society for Composite Materials, Member of the Strategic Advisory Committee for the Construction of a Strong Country in Education, Member of the "Double First-Class" Construction Expert Committee. Representative of the 14th National People's Congress. He has long been committed to the research of composite materials and photoelectric functional materials, mainly studying ultra-high temperature ceramic composite materials, optical films and crystal materials. Important achievements have been made in promoting the leapfrog development of ultra-high temperature composite materials in China, the growth of large-size single crystals and the research of functional film materials, and industrial application has been realized.