Zhang Hao, Chief Physician, Doctoral Supervisor, Director of the Cardiac Center, Primarily engaged in the surgical treatment of pediatric cardiovascular diseases such as congenital heart disease and pulmonary arterial hypertension. Specializes in surgical correction of complex congenital heart disease, surgical shunting for idiopathic pulmonary arterial hypertension, and cosmetic small-incision axillary surgery for simple congenital heart disease. Currently serves as Director of the Cardiac Center at Shanghai Children's Medical Center, Director of the Shanghai Institute of Pediatric Congenital Heart Disease, and Director of the Shanghai Clinical Medical Research Center for Rare Childhood Diseases. Main research directions: innovation and evaluation of surgical techniques for pediatric cardiovascular diseases, pediatric cardiac rehabilitation development and cardiopulmonary protection, and surgical treatment of pulmonary arterial hypertension. Recent research project funding (past five years, as top three principal investigators).