Mao Chen, MD, is a doctoral supervisor, professor, and chief physician. Dr. Chen also holds the following positions: - Chairman of the Cardiovascular Professional Committee of Sichuan Medical Association; - Standing Committee Member of the Cardiovascular Branch of the Chinese Medical Association; - Head of the Structural Cardiology Group of the Cardiovascular Branch of the Chinese Medical Association; - Executive Chairman of the Cardiovascular Conference of Midwest China; - Executive Chairman of China (Chengdu) International Academic Conference on Interventional Therapy of Valvular Disease; - Co-Chairman of Academic Steering Committee of PCR London Conference on Interventional Therapy of Valvular Disease.