The reason why Jianxing He is not the dean.
He is the director of Guangzhou Institute of Respiratory Health. Jianxing He, the First Affiliated Hospital of Guangzhou Medical University, is the leader of thoracic surgery, oncology, transplantation science and technology, chief physician, doctoral supervisor, director of the National Respiratory Medicine Center, and president of Guangzhou Institute of Respiratory Health. Guangzhou Institute of Respiratory Health, located in Guangzhou, Guangdong Province, aims at "undertaking respiratory medicine research and related professional training".