Prof. Zhu Shaihong
The Third Xiangya Hospital of Central South University

Chief Physician, Professor of Surgery
Co-President, China Obesity Congress
President, Chinese Society for Metabolic and Bariatric Surgery (CSMBS)
Chairman of the Expert Working Group on Obesity and Metabolic Surgery of the Chinese Medical Doctor Association's Division of Surgeons
Deputy Chairman of the Thyroid and Metabolic Surgery Group of the Chinese Medical Association's Division of Surgery Academic Leader of General Surgery (National Clinical Key Specialty)
Executive Deputy Director of the Research Center for Medical Materials and Devices, Central South University

Chair-elect of the Obesity and Diabetes Surgery Committee, Surgery Branch of the Chinese Medical Doctor Association
Member of the Scientific Research Committee, Chinese Medical Association
Member of the Surgery Branch, Hunan Medical Association
Core Expert for Health Care of Provincial Cadres in Hunan Province
Reviewer for National Science and Technology Awards
Reviewer for the National Natural Science Foundation of China
Member of the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
Member of the American Society for Metabolic and Bariatric Surgery (ASMBS)

Prof. Zhongtao Zhang
Beijing Friendship Hospital, Capital Medical University, China

Chief Physician, Professor, Ph.D. Supervisor
Vice President of Beijing Friendship Hospital, Capital Medical University
President, China Obesity Congress
Director of the Department of General Surgery, Capital Medical University
Director of the Beijing General Surgery Quality Control and Improvement Center

Chair of the 19th Committee of the Society of Surgery, Chinese Medical Association
Chair of the China Obesity Federation (COF)

Honorary Director of the Beijing Quality Control and Improvement Center for Bariatric and Metabolic Surgery
Deputy Chair of the Surgery Branch of the Chinese Medical Association
Vice President of the Surgery Branch of the Chinese Medical Doctor Association
Deputy Director of the Surgery Expert Committee of Capacity Building and Continuing Education, National Health Commission
Vice President of the Chinese Medical Equipment Association, and President of the Surgery Equipment Branch
President of the Bariatric and Metabolic Surgery Branch of the Beijing Medical Doctor Association

Dr. Ranjan Sudan
Duke University Medical Center， USA

Professor of Surgery
Professor in Psychiatry and Behavioral Sciences at Duke as of 2021
Vice Chair of Education in the Duke Department of Surgery (2008–2021)
President, Clinical Robotic Surgery Association (CRSA) 2018
Consultant, the ACS Division of Education (2018)

General Surgeon, Weight Loss Surgeon
American Board of Surgery, General Surgery
American Board of Psychiatry/Neurology, Child &Adolescent Psychiatry
American Board of Psychiatry/Neurology, Psychiatry

“I work with the patient to come up with a treatment plan that meets their physical and mental health needs.”

专业：
减肥手术
机器人手术
复杂修正减肥手术
食管裂孔疝
腹股沟疝

认证：
美国外科委员会，普通外科
美国精神病学/神经病学委员会，儿童和青少年精神病学委员会
美国精神病学/神经病学委员会，精神病学

教育与培训：
美国外科委员会委员，普通外科

研究员：
儿童和青少年精神病学，哥伦比亚大学（纽约），1993年

住院医生实习期：
外科，赖特州立大学医学中心（俄亥俄州），1999年

教育：
1981年，武装部队医学院医学博士（印度）

Dr. Ricardo Vitor Cohen
MD, PhD, IFSO President; Director, Obesity and Diabetes Center, Hospital Alemão Oswaldo Cruz, Brazil

With over 30 years of experience, 15 of which as a member of the Clinical Staff at Hospital Alemão Oswaldo Cruz, he was named by the American Society of Metabolic and Bariatric Surgery (ASMBS) as one of the 30 most prominent doctors in the field.

He is the current president of IFSO and was president of the Brazilian Society of Bariatric and Metabolic Surgery (SBCBM) from 2011 to 2012 and president of the Latin American Chapter of the World Federation of Bariatric Surgery (IFSO) from 2018 to 2019. He was president of the Advisory and Fiscal Council, SBCBM, from 2014 to 2015.

He has performed more than 10,000 surgeries and is a leader in pioneering research with effective results, such as the one that demonstrated the effectiveness of metabolic surgery to treat type 2 diabetes in patients who do not suffer from severe obesity.

He holds a PhD in Surgery from the Faculty of Medicine at the University of São Paulo.

He is editor of the journal “Obesity Surgery”, the official publication of the International Federation for the Surgery of Obesity (IFSO).

President of the IFSO World Congress of Metabolic and Bariatric Surgery, held in Rio de Janeiro in September 2016.