Professor and doctoral supervisor of the School of Computer Science at Peking University, Chang Jiang Scholar appointed by the Ministry of Education. Research direction: program generation, program understanding, and deep learning. He is a pioneering researcher in "deep learning-based program understanding and generation". Many of his achievements are considered "original contributions" by international scholars and are widely cited. The research team led by him has consistently maintained leading results in multiple research tasks and is an internationally renowned research team in this field.