Lab Members

Our Staff

Photo of Jake Liang
Section Chief
M.D. – Harvard Medical School, Boston, MA
Internal Medicine Residency – New York University/Bellevue Hospital Center, New York, NY
Gastroenterology Fellowship – Massachusetts General Hospital, Boston, MA
Photo of Edward Doo
Adjunct Investigator
M.D. – Cornell University Medical College, New York, NY
Internal Medicine Residency – The New York Hospital-Cornell Medical Center, New York, NY
Photo of Marc Ghany
Clinical Tenure Track Investigator
M.D. – Royal College of Surgeons in Ireland, Dublin, Ireland
Internal Medicine Residency – Hospital of St. Raphael, New Haven, CT
Gastroenterology Fellowship – Tulane University School of Medicine, New Orleans, LA
Liver Diseases Fellowship – NIDDK, Bethesda, MD
M.H.Sc. – Duke University School of Medicine, Durham, NC
Photo of Theo Heller
Senior Investigator
M.D. – University of Witwatersrand Medical school
Internal Medicine Residency – Georgetown University Hospital
Viral Hepatitis Fellowship – NIAID, Bethesda, MD
Gastroenterology Fellowship – University of Maryland School of Medicine
Liver Diseases Fellowship – NIDDK, Bethesda, MD
Photo of Jay Hoofnagle
Adjunct Investigator
M.D. – Yale University School of Medicine, New Haven, CT
Internal Medicine Residency – University of Virginia Health System, Charlottesville, VA
Internal Medicine Residency – VA Medical Center, Washington, DC
Gastroenterology Fellowship – VA Medical Center, Washington, DC
Photo of Dr. Chris Koh.
Associate Research Physician
M.D. – Saba University School of Medicine, Netherlands-Antilles
M.H.Sc. - Duke University School of Medicine, Durham, NC
Internal Medicine Residency – Harbor Hospital, Baltimore, MD 
Liver Diseases Fellowship – NIDDK, Bethesda, MD
Gastroenterology Fellowship – University of Maryland/NIH Scholars Program, Baltimore, MD & Bethesda, MD
Photo of Yaron Rotman
Investigator
M.D. – Hebrew University Hadassah Medical School, Jerusalem, Israel
M.Sc. – Hebrew University Hadassah Medical School, Jerusalem, Israel
Internal Medicine Residency – Rabin Medical Center, Petach-Tiqwa, Israel
Gastroenterology Fellowship – Rabin Medical Center, Petach-Tiqwa, Israel
Liver Diseases Fellowship – NIDDK, Bethesda, MD
Photo of Averell Sherker
Adjunct Investigator
M.D. – Queens University Faculty of Health Sciences, Kingston, Canada
Internal Medicine Residency – Mt. Sinai Hosptial University, Toronto, Canada
Gastroenterology Fellowship – University of Toronto, Ontario, Canada
Liver Diseases Fellowship – Stanford University, Stanford, CA

Hepatology Clinical Fellows

Photo of Christy Ann Gilman.
Christy Ann Gilman, M.D.
Clinical Fellow

Education:

M.D. University of Hawaii John A. Burns School of Medicine.
Residency SUNY Upstate Medical University

Current interests include long term follow up of patients treated for Hepatitis C, Fontan associated liver disease and fatty liver disease in unique patient populations. I am also matriculating to the NIH-Duke Master's Program in Clinical Research.

Photo of Julian Hercun.
Julian Hercun, M.D.
Clinical Fellow

Education:

M.D - Université de Montréal, Montreal, Canada
Internal Medicine Residency - Université de Montréal, Canada
Gastroenterology Fellowship - Université de Montréal, Canada

Recently, I was part of the liver unit at the Centre hospitalier de l’Université de Montréal (CHUM) before beginning my hepatology fellowship at the NIDDK.

During my stay at the LDB, I plan on taking part in clinical research trials focusing on novel pharmaceutical approaches for viral hepatitis and to pursue my interest in auto-immune liver disease as well as hepatic involvement in systemic diseases.

Gracia Maria Viana Rodriguez Headshot
Gracia Maria Viana Rodriguez, M.D.
Clinical Fellow

Education:

M.D – Universidad Dr. Jose Matias Delgado, El Salvador
Internal Medicine Residency - Bridgeport Hospital, Yale New Haven Health, Connecticut.

Recently, I completed my internal medicine residency at Bridgeport Hospital, Yale New Haven Health before beginning my hepatology fellowship at the NIDDK. During my stay at the LDB, I plan on taking part in clinical research trials focusing on the study of portal hypertension, non-cirrhotic portal hypertension and fatty liver disease Complications, diagnostics and treatment options.

David Yardeni Headshot
David Yardeni, M.D.
Clinical Fellow

Education:

M.D. – Ben-Gurion University of the Negev, Goldman Medical School, Beer-Sheva, Israel
Internal Medicine Residency – Soroka University Medical Center, Beer-Sheva, Israel
Gastroenterology Fellowship – Soroka University Medical Center, Beer-Sheva, Israel

Observing the results of decompensated liver diseases during my residency in internal medicine and my fellowship in gastroenterology have profoundly impacted my interest in hepatology. The introduction in recent years of novel pharmacological agents leading to improved treatment of liver diseases that were incurable just a few years ago, has demonstrated once again the importance of conducting meaningful studies that will influence the patients’ health and quality of life. For these reasons I am now participating in the Hepatology fellowship at the Liver Disease Branch of the NIH.

My current research interests include viral Hepatitis B and D, Non-Alcoholic Fatty Liver disease and Fontan Associated Liver Disease.

Clinical Specialists

Patricia Alcivar
Patient Care Coordinator
T: 301-435-6121
F: 301-435-9160
F: 301-480-5329
Elenita M. Rivera, BSN, RN
Research Nurse, Specialist
T: 301-435-6125
F: 301-451-9160
F: 301-480-5329
Jaha Norman-Wheeler, BA, RN, CCRC
Research Nurse, Specialist
T: 301-435-6122
F: 301-435-9160
F: 301-480-5329
Anna Rivero, BSN, RN
Research Nurse, Specialist

T: 301-451-7007
F: 301-435-9160
F: 301-480-5329

Amy Huang, BS, BA, BSN, RN, CCRP
Research Nurse Manager, Research Coordinator

T: 301-451-6983
F: 301-435-9160
F: 301-480-5329

Group Photos

Clinical Fellows
Clinical Fellows
Clinical Fellows present their work
Clinical Fellows present their work
Liver Disease Branch Awards
Liver Disease Branch Awards