Promoting Excellence in Education, Research,
and Patient Care in the Rapidly Evolving
Management of Gastrointestinal Cancer
International Society of
Gastrointestinal Oncology
isgioEstablished 2003

ISGIO Scientific Board

Ghassan Abou-Alfa, MD
Rutgers Cancer Insitute of New Jersey

Weijing Sun, MD, FACP

Memorial Sloan-Kettering Cancer Center

Brooke Weinstein

Daniel G. Haller, MD

Past President 2009-2010
Abramson Cancer Center
of the University of Pennsylvania

Aimery de Gramont, MD
Hôpital Saint-Antoine

Jaffer A. Ajani, MD
M. D. Anderson Cancer Center

Al B. Benson III, MD
Past President 2007-2008
Robert H. Lurie CCC of Northwestern University

Tanios Bekaii-Saab, MD
Mayo Clinic

Weijing Sun, MD, FACP
University of Kansas Cancer Center

Howard Hochster
Past President 2018-2019
Rutgers Cancer Institute of New Jersey


Jordan Berlin, MD
Vanderbilt-Ingram Cancer Center

Michael Choti, MD
Past President 2010-2011
The Johns Hopkins Hospital

Axel Grothey, MD
Past President 2015-2017
Mayo Clinic

Daniel Haller, MD
Hospitals of the University of
Pennsylvania-Penn Presbyterian


David H. Ilson, MD, PhD
Past President 2012-2013
Memorial Sloan-Kettering Cancer Center

John L. Marshal, MD
Past President 2008-2009
Lombardi Comprehensive Cancer Center

Jonathan Strosberg, MD
Moffitt Cancer Center

Christopher G. Willett, MD
Past President 2011-2012
Duke University Medical Center