Hong Kong
Dr David Y.K. But
- MBBS (HK), MRCP (UK), FRCP (Edin, Lond), FHKCP, FHKAM (Medicine)
- Specialist in Gastroenterology and Hepatology
Prof Grace LH Wong
- MBChB (CUHK), MD (CUHK), FRCP (Edin, Lond), FHKCP, FHKAM (Medicine)
- Specialist in Gastroenterology and Hepatology
Assistant Dean (Learning Experience)
Professor, Department of Medicine and Therapeutics
Faculty of Medicine, The Chinese University of Hong Kong
Prof Justin CY Wu
- MBChB (CUHK), MD (CUHK), MRCP (UK), FRCP (Edin, Lond), FHKCP, FHKAM (Medicine)
- Specialist in Gastroenterology and Hepatology
Associate Dean (Health Systems)
Professor, Department of Medicine and Therapeutics
Faculty of Medicine, The Chinese University of Hong Kong
Prof Vincent WS Wong
- MBChB (CUHK), MD (CUHK), FRCP (Edin, Lond), FHKCP, FHKAM (Medicine)
- Specialist in Gastroenterology and Hepatology
Assistant Dean (Development)
Professor, Department of Medicine and Therapeutics
Faculty of Medicine, The Chinese University of Hong Kong
Prof Yuen Man Fung
- DSc, MBBS, MD, PhD, FRCP (Edin, Glasg, Lond), FHKCP, FHKAM (Medicine)
- Chair Professor and Chief of Division of Gastroenterology and
Hepatology
Li Shu Fan Medical Foundation Professor in Medicine
The University of Hong Kong
Indonesia
Prof dr Abdul Azis Rani
- SpPD-KGEH
- Consultant in Gastroentero-Hepatology
Division of Gastroenterology,
Department of Internal Medicine
University of Indonesia, Dr Cipto Mangunkusumo Hospital, Jakarta
Prof Dr dr Hernomo Ontoseno Kusumobroto
- SpPD-KGEH
- Consultant in Gastroentero-Hepatology
Division of Gastroenterohepatology,
Department of Internal Medicine
University of Airlangga, Dr Soetomo Hospital, Surabaya
Prof Dr dr Siti Aminah Abdurachman
- SpPD-KGEH
- Consultant in Gastroentero-Hepatology
Division of Gastroenterohepatology,
Department of Internal Medicine
University of Padjadjaran, Hasan Sadikin Hospital, Bandung
Malaysia
Dr Abraham Mathew George
- MBBCh, FRCP (Glasg), FASGE (USA)
- Consultant, Gastroenterologist
KPJ Johor Specialist Hospital
Dr Lau Su Yin
- MBChB (NZ), FRACP (Aus)
- Medical Lecturer, Universiti Putra Malaysia
Gastroenterologist and Hepatologist,
Hospital Sultan Abdul Aziz Shah (Hospital UPM)
Dr S Mahendra Raj
- MBChB (Glasg), MD (Glasg), MRCP (UK), FRCP (Glasg), FAMM
- Consultant, Gastroenterologist
Pantai Hospital Kuala Lumpur
Prof Dr Lee Yeong Yeh
- MD, PhD, FACP, FRCP, FACG, FAMM, AGAF, FASc
- Professor of Medicine
Consultant of Gastroenterology, Hepatology and Internal Medicine
School of Medical Sciences
Universiti Sains Malaysia
Philippines
Dr Diana Alcantara-Payawal
- MD, DTMH, LIM, FPCP, FACP, FPSG, FPSDE
- Gastroenterology-Digestive Endoscopy-Hepatology-
Interventional Sonology
Professor II
Chair, Department of Internal Medicine
Fatima University Medical Center
Chair, Committee of Hepatology
Cardinal Santos Medical Center
Chair, World Congress of Internal Medicine Manila 2028
Steering Committee Member and Past President,
Asian Pacific Association for the Study of the Liver
Past Board of Directors, Asian Pacific Digestive Week Federation
Past President, Philippine College of Physicians
Past President, Philippine Society of Gastroenterology
Past President, Hepatology Society of the Philippines
Dr Janus P. Ong
- MD, MPH
- Consultant in Gastroenterology/Transplant Hepatology
The Medical City
Dr Jose D. Sollano, Jr.
- MD, FPCP, PSDE
- Professor of Medicine
University of Santo Tomas
Dr Roberto N. De Guzman, Jr.
- MD, FPCP, FPSG, FPSDE
- Head, Section of Gastroenterology
Our Lady of Lourdes Hospital
Immediate Past President, Philippine Society of Digestive Endoscopy
Past President, Hepatology Society of the Philippines
Prof Daniel M. Parungao
- MD, FPCP, FPSG, FPSDE
- Associate Professor, Department of Internal Medicine
University of the East - Ramon Magsaysay Memorial
Medical Center
Singapore
Dr Gwee Kok Ann
- MBBS (S’pore), MMed (Int Med), MRCP (UK), FAMS (Gastroenterology), PhD (Sheffield), FRCP (Glasg, Lond)
- Consultant, Gleneagles Medical Centre
Adjunct Associate Professor, Yong Loo Lin School of Medicine
National University of Singapore
Dr Tan Chi Chiu
- MBBS (S’pore), MMed (Int Med), MRCP (Ireland), MRCP (UK), FAMS (Gastroenterology), FRCP (Edin, Lond)
- Consultant, Gastroenterologist
Gastroenterology and Medicine International
Gleneagles Medical Centre
Prof Ng Han Seong
- MBBS (Hons)(S’pore), MMed (Int Med), FRCP (Edin), FAMS
- Emeritus Consultant
Department of Gastroenterology and Hepatology
Singapore General Hospital
Prof Tan Chee Kiat
- MBBS (S’pore), FRCP (Edin), FAMS, MRCP (UK), FAASLD, PGDip MedEd (Dundee)
- Senior Consultant, Gastroenterologist
Singapore General Hospital
Prof Yeoh Khay Guan
- MBBS, MMed (Int Med), FAMS, FRCP (Glasg, Lond)
- Senior Consultant
Division of Gastroenterology and Hepatology
Department of Medicine
National University Hospital








