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Digestive and Liver Diseases Fellows

First Year Fellows

Dr. Amin Amin

Amin Amin, M.D.

Medical School: University of Leicester College of Medicine, United Kingdom
Residency Training: UT Southwestern, Dallas TX
PSTP Program

Dr. Samuel Dunn

Samuel Dunn, M.D.

Medical School: UT Southwestern, Dallas TX
Residency Training: University of Washington, Seattle WA

Dr. James Haddad

James Haddad, M.D.

Medical School: Temple University, Lewis Katz School of Medicine, Philadelphia PA
Residency Training: Naval Medical Center, San Diego CA

Dr. Sally Knooihuizen

Sally Knooihuizen, M.D.

Medical School: University of Nebraska College of Medicine, Omaha NE
Residency Training: Massachusetts General Hospital, Boston MA

Dr. Stuart Liu

Stuart Liu, M.D., M.P.H.

Medical School: National Yang-Ming University School of Medicine, Taiwan
Residency Training: UT Southwestern, Dallas TX
PSTP Program

Dr. Katharine Ozeki

Katharine Ozeki, M.D.

Medical School: University of Southern California, Keck School of Medicine, Los Angeles CA
Residency Training: Stanford University, Stanford CA

Dr. Shirish Poudyal

Shirish Poudyal, M.D.

Medical School: University of Chicago, Pritzker School of Medicine, Chicago IL
Residency Training: University of Michigan, Ann Arbor MI

Dr. Mariana Zapata

Mariana Zapata, M.D.

Medical School: Tulane University School of Medicine, New Orleans LA
Residency Training: Massachusetts General Hospital, Boston MA

Second Year Fellows

Dr. Shreya Amin

Shreya Amin, M.D.

Medical School: Rutgers, Robert Wood Johnson Medical School, New Brunswick, NJ
Residency Training: Beth Israel Deaconess Medical Center, Boston, MA

Dr. Taylor Derousseau

Taylor Derousseau, M.D.

Medical School: UT Southwestern, Dallas, TX
Residency Training: UT Southwestern, Dallas TX

Dr. Henry Dust

Henry Dust, M.D.

Medical School: Case Western Reserve University, Cleveland, OH
Residency Training: University of Michigan, Ann Arbor, MI

Dr. Aaron Fond

Aaron Fond, M.D., Ph.D.

Medical School: University of Virginia, Charlottesville, VA
Residency Training: UT Southwestern, Dallas, TX

Dr. Ali Harb

Ali Harb, M.D.

Medical School: Lebanon-American University of Beirut Faculty of Medicine, Lebanon
Residency Training: Vanderbilt University, Nashville, TN

Dr. Ernesto Llano

Ernesto Llano, M.D.

Medical School: UT Southwestern, Dallas, TX
Residency Training: University of Chicago, Chicago, IL

Dr. Maryann Osayande

Maryann Osayande, M.D.

Medical School: UT Medical Branch, Galveston, TX
Residency Training: Duke University, Durham, NC

Dr. Kristina Tzartzeva

Kristina Tzartzeva, M.D.

Medical School:  UT Southwestern, Dallas, TX
Residency Training: UT Southwestern, Dallas, TX

Third Year Fellows

Dr. Sagal Ali

Sagal Ali, M.D.

Medical School: Morehouse School of Medicine, Atlanta, GA
Residency Training: UT Southwestern, Dallas, TX

Dr. Yasser Al-Samman

Yasser Al-Samman, M.D.

Medical School: Weill Cornell Medical College, Qatar
Residency Training: Case Western Reserve University, Cleveland, OH

Dr. Andrew Gilman

Andrew Gilman, M.D.

Medical School: Michigan State University College of Medicine, Grand Rapids, MI
Residency Training: Stanford University, Standford, CA

Dr. Jason Glass

Jason Glass, M.D.

Medical School: George Washington University School of Medicine, Washington, DC
Residency Training: Icahn School of Medicine at Mount Sinai, New York, NY

Dr. Phillip Gu

Phillip Gu, M.D.

Medical School: UT Southwestern, Dallas, TX
Residency Training: Cedars-Sinai Medical Center, Los Angeles, CA

Dr. Jane Lim

Jane Lim, M.D.

Medical School: George Washington University School of Medicine, Washington, D.C.
Residency Training: Cedars-Sinai Medical Center, Los Angeles, CA

Dr. Michael Rowley

Michael Rowley, M.D.

Medical School: University of Michigan School of Medicine, Ann Arbor, MI
Residency Training: University of Arizona, Tuscon, AZ

Advanced Endoscopy Fellows

photo of Dr. Rekha Reddy

Rekha Reddy, M.D.

Medical School: St. George's University, Grenada, West Indies
Residency Training: Norwalk Hospital, Norwalk, CT
Fellowship: SUNY Downstate Medical Center, Brooklyn, NY

photo of Dr. Nathaniel Kwak.

Thomas Tielleman, M.D.

Medical School: UT Southwestern, Dallas, TX
Residency Training: UT Southwestern, Dallas, TX
Fellowship: UT Southwestern, Dallas, TX