Dr. Jiaxing Yang
‌Medical Doctor (M.D.), Master's Supervisor‌
Deputy Director, Obesity Diagnosis and Treatment Center, The First Hospital of Jilin University
Associate Chief Physician, Gastrointestinal & Colorectal Surgery Department, General Surgery Center, The First Hospital of Jilin University

‌Professional Affiliations:‌

Committee Member, Metabolic & Bariatric Surgery Academic Committee, Plastic Surgery Branch, Chinese Medical Association
Committee Member, Diabetes and Obesity Surgery Committee, Chinese Research Hospital Association
Member, Colorectal Tumor Committee, Chinese Medical Doctor Association
Member, Gastrointestinal Diseases Committee, China Medicine Education Association
Member, International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
Vice Chair-member, Metabolic & Bariatric Surgery Committee, Jilin Health Management Association
Vice Chair-member, Weight Management Academic Committee, Jilin Health Management Association
Standing Committee Member, Gastrointestinal Oncology Committee, Jilin Health Management Association
Member, Ambulatory Surgery Committee, Jilin Research Hospital Association

杨家骍
医学博士 硕士研究生导师
吉林大学第一医院肥胖症诊疗中心 副主任
吉林大学第一医院普外中心胃结直肠外科 副主任医师

社会兼职：
中华医学会整形外科分会减重代谢外科专业学术委员会 委员
中国研究型医院学会糖尿病与肥胖外科专业委员会 委员
中国医师协会结直肠肿瘤专业委员会 会员
中国医药教育协会消化道疾病专业委员会 会员
国际肥胖外科联盟（IFSO） 会员
吉林省健康管理学会减重及代谢外科专业委员会 副主任委员
吉林省健康管理学会体重管理学术委员会 副主任委员
吉林省健康管理学会消化道肿瘤专业委员会 常务委员
吉林省研究型医院学会日间手术专业委员会 会员

ASIA+DUKE 2025 Task
Panel Discussion Section -2
Panel Moderator

Prof. Nengwei Zhang

‌Professor, Chief Physician, Doctoral Supervisor‌
Director & Chief Expert, Weight Management Center, Peking University International Hospital
Former Vice President, Beijing Shijitan Hospital, Capital Medical University

‌Key Appointments (Selected):‌
• Inaugural (2025) Head, National Obesity & Metabolic Surgery Expert Group, Integrated TCM-WM Expert Committee, China Volunteers Association
• Inaugural (2025) Expert, National Weight Management Center Project Expert Group, National Health Commission
• Chairperson, Health Promotion & Science Popularization Committee, Beijing Hospital Association
• Vice Chairperson, Obesity & Diabetes Surgery Working Group, Surgical Branch, Chinese Medical Doctor Association
• Vice Chairperson, Obesity & Diabetes Surgery Committee, Chinese Research Hospital Association
• Vice Chairperson, Diabetes Surgery Committee, Chinese Research Hospital Association
• Vice Chairperson, Metabolic & Bariatric Rehabilitation Committee, Chinese Association of Rehabilitation Medicine
• Vice Chairperson, Digestive Diseases Committee, China Medicine Education Association
• Vice Chairperson, Metabolic Diseases Committee, China Medicine Education Association
• Vice Chairperson, Endocrinology & Metabolism Committee, Chinese Medical Association
• Vice Chairperson, Obesity Endocrine & Metabolic Surgery Committee, Surgical Branch, Chinese Medical Doctor Association
• Co-Chairperson, Overweight & Obesity Diagnosis/Treatment Committee, National Telemedicine & Internet Medical Center
• Member, International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO)
• Committee Member, Minimally Invasive Surgery & Colorectal Cancer Committees, Chinese Anti-Cancer Association
• Editorial Board Member: Chinese Journal of Endoscopy, Chinese Journal of Minimally Invasive Surgery, Chinese Journal of Gastrointestinal Surgery, Chinese Journal of General Surgery Operations, Chinese Journal of Digestive Surgery

‌Pioneering Clinical Contributions:‌

Initiated clinical laparoscopic practice in 1991
Performed ‌China's first‌ laparoscopic radical resection for rectal cancer (1993)
Performed ‌Beijing's first‌ endoscopic thyroid surgery (2004)
Performed ‌Beijing's first‌ laparoscopic bariatric/metabolic surgeries for obesity & diabetes (2005)
‌Surgical Expertise:‌
Performed >10,000 advanced laparoscopic procedures including:

Endoscopic thyroid surgeries
Laparoscopic sleeve gastrectomy & intestinal bypass
Gastrointestinal oncology surgeries
Complex hernia repairs
Maintained ‌zero intraoperative injury‌ rate and ‌lowest national complication rates‌

‌Recognition:‌
Techniques consistently acclaimed at academic conferences across Beijing, national (China), Asian Endoscopy Association, and international laparoscopic forums.

张能维

教授 主任医师 博士生导师
北京大学国际医院体重健康管理中心主任、首席专家
原首都医科大学附属北京世纪坛医院 副院长
中华志愿者协会中西医结合专家工作委员会肥胖与代谢外科全国专业组组长（2025首任）
国家卫健委体重管理中心项目专家组专家（2025首任）
北京医院协会健康促进与科普专业委员会主任委员
中国医师协会外科医师分会肥胖与糖尿病外科工作组副组长
中国研究型医院学会肥胖与糖尿病外科专业委员会副主任委员
中国研究型医院学会糖尿病外科专业委员会 副主任委员
中国康复医学会减重与代谢康复专业委员会 副主任委员
中国医药教育协会消化疾病专业委员会 副主任委员
中国医药教育协会代谢病学专业委员会 副主任委员
中华医学会内分泌代谢专业委员会 副主任委员
中国医师协会外科分会肥胖内分泌代谢专业委员会 副主任委员
国家远程医疗与互联网医学中心超重与肥胖诊治专委会联席 主任委员
IFSO（国际肥胖病、糖尿病外科联盟）会员
中国抗癌协会微创专业委员会、大肠癌专业委员会 委员
《中国内镜杂志》《中国微创外科杂志》《中华胃肠外科杂志》《中华普外科手术学杂志》《中华消化外科杂志》编委

1991年开始从事腹腔镜的临床、科研和教学工作；1993年开创了全国首例腹腔镜下直肠癌根治术。2004年开展了北京首例内镜甲状腺手术；2005年开展了北京首例腹腔镜治疗肥胖病手术、糖尿病手术。

已开展各项高难度的、全国领先的手术，如腔镜甲状腺手术、腹腔镜下胃减容、肠减容减肥手术、胃肠肿瘤手术、腔镜下治疗各种复杂疝等，腔镜手术总例数达10000余例，未发生一例损伤，各种并发症达到全国最低水平，在北京地区名列前茅。以上技术，多次在北京、全国乃至亚洲内镜协会、国际腔镜会议的交流中受到有关同行和专家的好评。

ASIA+DUKE 2025 Task
Panel Discussion Section -1
Leading Speech Topic: LSG: Today's Technical Refinements & Future Development
10 minutes

Prof. Daniel Guerron
Cleveland Clinic Abu Dhabi

-Physician of the General Surgery
-Director of the Comprehensive Hernia and Core Health Center at Cleveland Clinic Abu Dhabi
-Chairperson of the Emirati General surgery society scientific committee

Dr. Daniel Guerron, MD, is a Staff Physician within the General Surgery Department of Cleveland Clinic Abu Dhabi’s Digestive Disease Institute.

After completing his medical degree at the Pontificia Universidad Catolica del Ecuador, he completed a dedicated research period of training in basic and translational research at the Children’s National Medical Center in Washington DC, US.

He completed his residency in general surgery at the Cleveland Clinic Foundation, Ohio, US, where he was the recipient of the 2015 Steiger Award granted to a Surgical Resident for significant research contributions. He complemented his surgical training with an advanced gastrointestinal minimally invasive and bariatric surgery fellowship at Duke University in Durham, North Carolina, US.

Dr. Guerron is the director of Comprehensive Core Health and Hernia Treatment Center at Cleveland Clinic Abu Dhabi. He has published several original scientific articles, outcomes research, review articles and book chapters related to laparoscopy, hernia, surgical innovation, and bariatrics. Dr Guerron is involved in residency and fellowship training.

Dr. Guerron is passionate about clinical excellence and patient-centered care, with a particular focus on surgical research and innovation. His specialty interests include abdominal reconstruction and complex hernia, metabolic surgery, advanced endoscopy and robotic surgery.

Dr. Daniel Guerron resides in Abu Dhabi with his wife and four children. In his spare time he loves to cook and read about historical fiction, running and enjoying the beauty of the UAE.

Prof. Rana Pullatt
Medical University of South Carolina, USA

-Professor of Surgery and Division Chief of Foregut & Metabolic Surgery
-Clinical Director of the Bariatric and Robotic Surgery Program
-Director of Bariatric Surgery for Veterans Integrated Service Network-7 (VISN-7)
-Elected President of the American Society for Metabolic and Bariatric Surgery (ASMBS)

President of the ASMBS (American Society for Metabolic and Bariatric Surgery) 2027 Term

Dr. Rana C. Pullatt is a double board-certified Robotic and Bariatric Surgeon with over two decades of surgical experience. Based in Charleston, SC, he serves as the Director of Robotic and Bariatric Surgery at the Medical University of South Carolina (MUSC), where he also holds the position of Professor of Surgery.

Throughout his career, Dr. Pullatt has helped thousands of patients take control of their health whether through weight loss surgery, reflux treatment, or complex foregut procedures. His approach blends academic precision with real-world compassion, ensuring every patient receives treatment that’s effective, minimally invasive, and personalized.

He is board-certified by the American Board of Surgery and also certified in Obesity Medicine, a distinction that reflects his commitment to long-term outcomes, not just surgical success.

Whether you’re facing obesity, chronic reflux, hernia issues, or complications from a previous procedure Dr. Pullatt offers surgical care that’s grounded in experience, backed by research, and delivered with empathy.

Prof. Charles Peng Zhang
Capital Medical University Beijing Friendship Hospital, China

. Professor of Surgery
. Chief, Division of Metabolic and Bariatric Surgery
. Executive President, China Obesity Federation (COF)
. Vice President, Chinese Society for Metabolic and Bariatric Surgery (CSMBS)