Wu Jugang, MD, PhD, associate chief physician. General surgeon of Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine Visiting scholar at Rutgers University in USA Academic position: Youth Committee Member of the General Surgery Branch of the Shanghai Medical Association; Member of the Weight Loss Metabolic Surgery Group; Member of the National Professional Group for Obesity and Metabolic Surgery of the Expert Working Committee on Integrated Traditional Chinese and Western Medicine of the Chinese Volunteer Association. Professional direction: Minimally invasive treatment of obesity and metabolic diseases; Neck scarless surgery for thyroid diseases; Standardized treatment for breast tumors