GI Pathology Fellowship

The GI Pathology Fellowship provides in-depth training in GI, pancreatic and liver pathology. The fellow will review GI, liver and pancreatic cases with faculty with subspecialty expertise. The fellowship includes diagnostic responsibilities in adult and pediatric hepatobiliary and gastrointestinal pathology, with over 100 annual liver transplants and Whipple procedures performed annually.  The fellow will be responsible for gross room supervision and microscopic sign-out of in-house and consultation cases. Excellent opportunities exist for clinical and/or basic science research.


The candidate must have completed an approved AP or AP/CP pathology training program. A New York State medical license is required for appointment. For more information, please contact the NY State Education Department at (518) 474-3817, ext 260.


Commensurate with level of training.


The position for the GI/Liver pathology fellow for 2025-2026 has been filled.

Applications for the 2026-2027 year must include:

Completed applications (including recommendation letters) should be emailed directly to the program director, Dr. Armando del Portillo ( and coordinator Maria Barros De La Hoz (

Current GI Fellow

Mitra Dowlatshahi (2022-2023) Joseph Burt (2022-2023)

GI Fellowship Graduates

Diane Chen (2021-2022) Simona De Michele (2021-2022)
Anna Lee (2020-2021) Anthony Rubino (2019-2020)
Sonya Purushothaman (2018-2019) Maryam Shirazi (2017-2018)
Molecular Genetic Pathology Fellowship
Columbia University Medical Center
Anne Koehne de Gonzalez (2016-2017)
Assistant Professor
Columbia University Medical Center
Armando del Portillo (2015-2016) Assistant Professor
Columbia University Medical Center
Ladan Fazlollahi (2014-2015)
Assistant Professor
Columbia University Medical Center
James Mitchell (2013-2014)
Associate Pathologist
Baylor University Medical Center, Dallas
Stephen Lagana (2011-2012)
Assistant Professor
Columbia University Medical Center
Marcela Salomao (2011-2012)
Assistant Professor
Mayo Clinic, Scottsdale, Arizona
Kalpana Devaraj (2010-2011)
Assistant Professor
University of Colorado Anschutz Medical Campus
Raanan Sela (2009-2010)
Gastrointestinal Pathology
Miraca Life Sciences, Irving, Texas
Anupama Gupta (2008-2009)
Pathology & Laboratory Medicine
Summit Medical Group, Berkeley Heights, New Jersey
Woojin Yu (2007-2008)
Anatomic & Clinical Pathology
Kaiser Permanente, Sacramento, California
Sandy Twadell (2006-2007) Associate Professor of Pathology
University of Maryland School of Medicine