Faculty and Staff

The Liver Research Institute conducts research on, teaches about and provides comprehensive care for diagnosis and treatment of medical conditions of the liver. It is a unit of the UA Department of Medicine and the Division of Gastroenterology and Hepatology at the UA College of Medicine – Tucson.

University of Arizona Thomas D. Boyer Liver Institute
1501 N. Campbell Ave.
PO Box 245136
Tucson, AZ  85724-5136
Tel: (520) 626-3005
Fax: (520) 626-5975


Thomas D. Boyer, MD
The Late Professor Emeritus of Medicine, and Cellular and Molecular Medicine
Founder, UA Thomas D. Boyer Liver Institute

We are sorry to announce that Dr. Boyer passed away Jan. 11, 2017 (click here to read more about his life and research). He received his medical degree from the University of Southern California (USC) and performed his post-graduate training at USC and the University of California at San Francisco (UCSF). He served on faculty at USCF and was director of the Division of Digestive Diseases at Emory University before joining the faculty of the University of Arizona in 2000, when the then UA Liver Research Institute (renamed in his honor in fall 2017) was launched. He served on numerous National Institutes of Health committees as well as international organizations for the study of liver disease and was a past president of the American Association for the Study of Liver Disease and the International Association for the Study of the Liver. He was editor of Hepatology: A Textbook of Liver Disease, associate editor for the American Journal of Medicine and served on editorial boards of several peer reviewed journals.

Oleh Haluszka, MD
Clinical Professor of Medicine
Principal Investigator, UA Thomas D. Boyer Liver Institute
(520) 626-6119

Dr. Haluszka joined the faculty at the UA College of Medicine – Tucson in August 2016 as a professor of medicine and chief of gastroenterology at the Southern Arizona VA Health Care System. In January 2019, he became associate chief of the Division of Gastroenterology and Hepatology in the UA Department of Medicine. Prior to Tucson, Dr. Haluszka was a professor of medicine and gastroenterology chief at Temple University Health System (2011-16) and gastrointestinal endocscopy director at the Temple's Fox Chase Cancer Center (2002-11), in Philadelphia. Prior to that, he was an assistant professor of medicine at the University of Maryland in Baltimore (1995-2002), as well as a consultant to the White House Medical Unit in Washington, DC, as a captain in the U.S. Naval Reserve. 

Research Staff

Fran Drake, RN
Senior Research Nurse
Phone: (520) 626-7210
Fax: (520) 626-9815
Email: francesd@deptofmed.arizona.edu 

Maria Santa Cruz
Research Specialist
Phone: (520) 626-5423
Fax (520) 626-9815
Email: msantacr@deptofmed.arizona.edu

Clinical Staff

Carol Peters, NP 
Nurse Practitioner
Phone: (520) 694-6118
Fax: (520) 874-7105
Email: cpeters2@deptofmed.arizona.edu

Carol received her bachelor's degree in nursing from Northern Arizona University (2004) and her master's degree in nursing from the UA College Of Nursing (2007). She also holds an associate's degree in nursing from Pima Community College (2001) and a bachelor's degree from the University of California, Davis (1980). After working for several years in general gastroenterology, she joined the Liver Research Institute in 2010. In addition to managing general liver disease, Carol specializes in the treatment of hepatitis C and has been an integral part of the clinical research program.

Gloria V. Schneider, NP 
Nurse Practitioner
Phone: (520) 694-6073
Fax: (520) 874-7105
Email: gloria.schneider@bannerhealth.com 

Gloria is an ANCC board-certified adult/gerontology acute care nurse practitioner. She holds a master's degree in adult/gerontology acute care nursing from Phoenix's Grand Canyon University (2017), an associate's degree in nursing from Montgomery College in Takoma Park, Md. (2006), and a bachelor's degree in biology from Centro Escolar University, Manila, The Philippines (1991). She has 12 years of experience as a bedside nurse for high-acuity patient popuations, including working for the bone marrow transplant/hem-onc unit  at the UA Medical Center Tucson (2006-15) and  cardiovascular care unit at Banner – University Medical Center Tucson (2015-17). She is ACLS and BLS certified.

Mirna Cano, MA
Medical Assistant
Phone: (520) 694-6125
Fax: (520) 874-7105
Email: mirna.cano@bannerhealth.com

Janet Serrano, MA
Medical Assistant
Phone: (520) 694-6118
Fax: (520) 874-7105
Email: janet.serrano@bannerhealth.com

Office Staff

Lisa Laughlin
Administrative Associate
Phone: (520) 626-3005
Fax: (520) 626-5975
Email: laughlin@deptofmed.arizona.edu 

Shamam Hashim
Data Entry Specialist
Phone: (520) 626-5423
Fax: (520) 626-9815
Email: shamamhashim@deptofmed.arizona.edu