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Professor Liu is a secondary grade chief physician in the Department of Gastroenterology and master supervisor in the First Affiliated Hospital of Sun Yat-Sen University.

As Fellow of the American College of Gastroenterology, Fellow of the International Academy of Proctology, Professor of Internal Medicine, Gastroenterology/Hepatology at the California Northstate University College of Medicine, Clinical Professor of Internal Medicine and Gastroenterology at the University of California, Davis School of Medicine, and clinical faculty

Postdoctoral fellow, University of Texas Southwestern Medical Center, University of Birmingham, UK.

General surgery (national key disciplines, national key clinical specialties), Director of surgery, Director of Gastrointestinal Surgery Center, the First Affiliated Hospital of Sun Yat-sen University（SYSU）; Director of the Center for Diagnosis and Trea

Dr. Ma is a consultant gynaecologist and specialist in reproductive medicine. She earned her medical degree at China Medical University in 1992. She then completed her Ph.D. at Sichuan University and Karolinska Institute, Sweden, and finished her postdoctoral research fellowship at Harvard Medical School, USA. Dr. Ma is a member of American Society for Reproductive Medicine (ASRM) and European Society of Human Reproduction and Embryology (ESHRE).

Dr. Zheng studied and worked in the Department of Internal Medicine, the First Affiliated Hospital of Sun Yat-sen University Since 1989. He obtained his Ph.D.

Guangdong Provincial Association of integrated traditional Chinese and Western medicine stroke Specialized Committee member

Outstanding young medical talents in Guangdong, High level professionals of Shenzhen.

Visiting scholar at the Baker Medical Institute in Australia in 2001-2002.