01-Prof. Ricardo Vitor Cohen
Topic: Modern Treatment of Obesity

02-Prof. Shaihong Zhu
Topic: Why do people tend to regain weight in the long term after sleeve gastrectomy?

03-Prof. Rana Pullatt
Topic: Robotic SADI- Technical Tips

04-Prof. Ranjan Sudan
Topic: Comparative Effectiveness of Major Bariatric Operations

05-Online-Prof. Daniel Guerron
Topic: Revisional surgery for weight recurrence after malabsorptive procedures

06-Prof. Charles Peng Zhang
Topic: Metabolic surgery for MASLD

Dr. Liu Yang
Chief Physician

‌Professional Affiliations:‌

Young Member, Obesity & Diabetes Surgery Committee, Surgeon Branch, Chinese Medical Doctor Association
Member, Minimally Invasive Weight Loss Therapy Group, Chinese Society of Digestive Endoscopy
‌Clinical Focus:‌

Specializes in metabolic and bariatric surgery, performing minimally invasive procedures for the treatment of ‌morbid obesity‌ and ‌type 2 diabetes‌.

刘洋
主任医师，医学博士。
中国医师协会外科医师分会肥胖和糖尿病外科医师委员会青年委员、
中华医学会消化内镜学分会微创减重治疗协作组委员。

专业从事减重与代谢外科，通过微创手术治疗病态肥胖症及2型糖尿病。

硕士、博士均师从我国著名普通外科与微创外科专家张忠涛教授，在张忠涛教授指导下系统学习减重与代谢外科专业知识并进行相关临床研究，接受了专业的腹腔镜外科技术培训。

专业理论知识丰富，腹腔镜技术扎实。

所在团队已累计完成微创减重与代谢手术1500余例，居全国前列水准，多次在全国及地区性会议介绍我院手术经验并进行手术直播。本人已在国内科技核心期刊发表相关学术论文近10篇。

Prof. Ospanov Oral
Kazahastan

Current position:
• President of Society of Bariatric and Metabolic Surgeons of Kazakhstan (SBMSK);
• Member of IFSO, IBC;
• Founder and Honored President of Association of Endoscopic Surgery of Kazakhstan
(AESK);
• Professor – researcher of Department of Surgical Disease and Bariatric Surgery of
Astana Medical University, Republic of Kazakhstan.

Prof. Carlos Andres Ruiz Patino
México

Profession:
General and Digestive Surgery, Advanced
Laparoscopic Surgery, and Bariatric Surgery

Specialty:
General Surgery - Board Certified by the Mexican
Board of General Surgery since 2006, certificate no. 06101

Active Membership:
Mexican Association of Endoscopic Surgery since Dec 2008
Mexican College of Surgery for Obesity and Metabolic Diseases since July 2015
International Federation for the Surgery of Obesity and Metabolic Disorders since 2015
Mexican Association of General Surgery since 2017

Dr. Chotirot Angkurawaranon

Specialty
Minimally Invasive Surgeon
Endo-laparoscopic surgery, Bariatric & Metabolic Surgery,
Upper Gastrointestinal Surgery, Colorectal Surgery, Laparoscopic Hernia Surgery, Laparoscopic Endocrine Surgery GI endoscopy (EGD, Colonoscopy),
Advanced endoscopy (ERCP, EUS) Peritoneal Surface Malignancy

Membership
Medical Council of Thailand
Royal College of Surgeons Thailand (RCST)
European Association of Endoscopic Surgery (EAES)
Japanese Gastroenterological Endoscopy Society (JGES) Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) Thai Hernia Society (THS)
Thai Association Gastroenterologist (TAGE) LaparoEndoscopic Surgeons of Thailand (LEST) Upper GastroIntestinal Surgeon of Thailand (UGIST) Endolaparoscopic Surgeons of Asia (ELSA) Asian Peritoneal Surface Malignancy Group (APSMG)
2019-present Thai Society of Metabolic and Bariatric Surgery (TSMBS)
2020-present International Federation of Surgical Obesity and Metabolic Disorders (IFSO)

ASIA+DUKE 2025 Task
Panel Discussion Section -3
Panel Moderator