Our Experts

To make a referral to or schedule an appointment with one of our physicians, please call 412-692-2001 or toll-free at 1-855-74-LIVER.

David A. Geller, FACS

David A. Geller, MD, FACS
Director, UPMC Liver Cancer Center
Richard L. Simmons Professor of Surgery

Email: gellerda@upmc.edu
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J. Wallis Marsh, MD


J. Wallis Marsh, MD
Professor of Surgery

Email: marshw@upmc.edu
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Allan Tsung, MD

Allan Tsung, MD
Vice Chair of Research, Department of Surgery
Roberta G. Simmons Assistant Professor of Surgery
Co-Director UPMC Liver Cancer Center

Email: tsunga@upmc.edu
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Etan Pasternak
Etan Pasternak
Director, Operations
Dolly Martin
Dolly Martin
Research Coordinator
Michelle Dulovich
Michelle Dulovich, MA, LPC
Specialty Counselor
Jackie Barnes, RN, MSN

Jackie Barnes, RN, MSN
Nurse Coordinator II 

Anna Donaldson Anna Donaldson
Data Coordinator & Analyst
Darla Donatelli

​Darla Donatelli
Operations Manager

Doreen Esposito

Doreen Esposito
Data Coordinator & Analyst

Gretchen Foster, RN, BSN

Gretchen Foster, RN, BSN
Nurse Coordinator

Brittany Halladay

Brittany Halladay
Physician Assistant

Victoria Hyatt, RN Victoria Hyatt, RN
Nurse Coordinator​
William P. Hogle RN, MSN, OCN

William P. Hogle RN, MSN, OCN
Clinical Manager
UPMC Passavant

Kendal Kingsley, MS Kendal Kingsley, MS
Specialty Therapist
Susan Lamson, RN

Susan Lamson, RN
Clinical Research Coordinator

Mary Martin
Mary Martin
Medical Secretary
Donielle Neal, BS

Donielle Neal, BS
Manager, Clinical Data

Ann Pitcairn, RN, BSN

Ann Pitcairn, RN, BSN
Nurse Coordinator II

Susan Pugliese, RN

Susan Pugliese, RN
Nurse Coordinator

Jennifer Steel, PhD

Jennifer Steel, PhD
Clinical Psychologist  

Ravin Wallace Ravin Wallace
Patient Information Coordinator
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Read abstract of liver resection research by UPMC liver surgeons. 

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