Gastroenterology, Hepatology and Nutrition
Meet the Team

Meet our Experts

Co-Directors

Lee Denson

Lee A. Denson, MD

Professor, UC Department of Pediatrics

Faculty

A photo of Maisam Abu-El-Haija.

Maisam A. Abu-El-Haija, MD, MS

Professor, UC Department of Pediatrics
A photo of Cata Arce-Clachar.

Ana Catalina "Cata" Arce-Clachar, MD

Associate Professor, UC Department of Pediatrics
Center for Rare Liver Disease Photoshoot, Dr. Akihiro Asai.

Akihiro Asai, MD, PhD

Research Interests
Pediatric hepatology; genetic and molecular mechanism of liver development and pathophysiology
A photo of Stephanie Oliveira.

Stephanie Bachi de Castro Oliveira, MD, CNSC

Assistant Professor, UC Department of Pediatrics
Research Interests
Pediatric nutrition
A photo of William Balisteri.

William F. Balistreri, MD

Professor, UC Department of Pediatrics
A photo of Scott Bolton.

Scott M. Bolton, MD

Assistant Professor, UC Department of Pediatrics
Research Interests
Eosinophilic gastrointestinal disorders; novel endoscopic approaches to disease evaluation and monitoring; disease outcomes
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Kristin S. Bramlage, MD

Staff Physician II, Division of Gastroenterology, Hepatology and Nutrition
A photo of Kathleen M. Campbell.

Kathleen M. Campbell, MD

Associate Professor, UC Department of Pediatrics
Research Interests
Clinical and genetic determinants of calcineurin inhibitor induced post-transplant nephrotoxicity; disease modifiers in biliary atresia
A photo of Jasbir Dhaliwal.

Jasbir Dhaliwal, MBBS, MRCPCH, MSc

Assistant Professor, UC Department of Pediatrics
Research Interests
Artificial intelligence; deep learning; machine learning; predictive analytics; clinical decision support tool and social determinants of health
A photo of Ajay Dixit.

Ajay Dixit, MSc, PhD

Assistant Professor, UC Department of Pediatrics
Research Interests
Molecular and cellular processes underlying the protective and detrimental immune responses in acute and chronic pancreatitis; underlying factors...
A photo of Khalil El-Chammas.

Khalil El-Chammas, MD, MS

Associate Professor, UC Department of Pediatrics
Research Interests
Pediatric neuro-gastroenterology and motility disorders.
A photo of Michael Farrell.

Michael K. Farrell, MD

Professor, UC Department of Pediatrics
A photo of Peter Farrell.

Peter R. Farrell, MD, MS

Assistant Professor, UC Department of Pediatrics
Research Interests
Digital health delivery; clinical pancreatology
A photo of Maria Fields.

Maria E. Fields (Moreno-Fernandez), PhD

Assistant Professor, UC Department of Pediatrics
Research Interests
Immune regulation; inflammation; obesity; diabetes; liver disease; aging
Profile Photo Not Available

Chandrashekhar R. Gandhi, MSc, PhD

Professor, UC Department of Surgery
Research Interests
Mechanisms of liver injury, immunological tolerance and steatohepatitis
A photo of Monique Goldschmidt.

Monique L. Goldschmidt, MD

Associate Professor, UC Department of Pediatrics
Research Interests
Broad clinical research efforts focused on best possible outcomes for children with liver and small bowel disease by way of quality improvement...
A photo of Kahleb Graham.

Kahleb Graham, MD

Assistant Professor, UC Department of Pediatrics
A photo of Yael Haberman Ziv.

Yael Haberman Ziv, MD, PhD

Temara Hajjat.

Temara Hajjat, MD

Assistant Professor, UC Department of Pediatrics
A photo of Jenny Hellmann.

Jenny Hellmann, MD

Assistant Professor, UC Department of Pediatrics
Research Interests
C.difficile infection in patients with inflammatory bowel disease
A photo of Stacey Huppert.

Stacey S. Huppert, PhD

Associate Professor, UC Department of Pediatrics
Research Interests
Hepatic cell plasticity, development and regeneration; reprogramming; three-dimensional hepatic architecture; Notch signaling; hepatobiliary disease
A photo of Heidi J. Kalkwarf.

Heidi J. Kalkwarf, PhD, RD

Professor, UC Department of Pediatrics
Research Interests
Bone mineral density in infants and children; body composition; dietary intake assessment; dual energy x-ray absorptiometry (DXA); peripheral QCT
A photo of Ajay Kaul.

Ajay Kaul, MD

Professor, UC Department of Pediatrics
A photo of Samuel Kocoshis.

Samuel A. Kocoshis, MD

Professor, UC Department of Pediatrics
Research Interests
Altered bile acid metabolism in gastrointestinal disease; small bowel transplantation; inflammatory bowel disease; short bowel syndrome
A photo of Daniel Mallon.

Daniel Mallon, MD, MSHPEd

Associate Professor, UC Department of Pediatrics
Research Interests
Health professions education; celiac disease; primary care management of gastrointestinal problems; quality improvement
Alexander Miethke, MD

Alexander G. Miethke, MD

Associate Professor, UC Department of Pediatrics
Research Interests
Immune mediated liver injury, specifically the role of regulatory T cells in biliary atresia and primary sclerosing cholangitis; genetic basis for...
Phillip Minar, MD, assistant professor with gastroenterology

Phillip Minar, MD, MS

Associate Professor, UC Department of Pediatrics
Research Interests
Application of personalized medicine in the care of children and young adults with IBD through the discovery of surrogate biomarkers of intestinal...
A photo of Sean Moore.

Sean R. Moore, MD, MS

Professor, UC Department of Pediatrics
Research Interests
Structure and function of the gastrointestinal tract in the context of childhood nutrition, growth, immunity, and host-microbe interactions
A photo of Marialena Mouzaki.

Marialena Mouzaki, MD, MSc

Professor, UC Department of Pediatrics
Research Interests
Pediatric MASLD
A photo of Vincent Mukkada.

Vincent A. Mukkada, MD

Professor, UC Department of Pediatrics
Research Interests
Eosinophilic gastrointestinal disorders; pediatric feeding problems
A photo of Kevin Murray.

Kevin Murray, MD

Assistant Professor, UC Department of Pediatrics
Research Interests
Eosinophilic diseases of the GI tract; pediatric advocacy
A photo of Sarah Orkin.

Sarah H. Orkin, MD

Assistant Professor, UC Department of Pediatrics
Research Interests
Impact of social determinants of health on gastrointestinal illnesses
A photo of Joseph Palermo.

Joseph J. Palermo, MD, PhD

Assistant Professor, UC Department of Pediatrics
Research Interests
Acute, recurrent and chronic pancreatitis; cystic fibrosis related liver disease
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Scott P. Pentiuk, MD, MEd

Associate Professor, UC Department of Pediatrics
A photo of Anna Peters.

Anna L. Peters, MD, PhD

Assistant Professor, UC Department of Pediatrics
Research Interests
Liver transplant rejection and tolerance; liver transplant outcomes research
A photo of Philip Putnam.

Philip E. Putnam, MD

Professor, UC Department of Pediatrics
A photo of James Rick.

James R. Rick, MD

Assistant Professor, UC Department of Pediatrics
Profile Photo Not Available

Michael E. Rogers, DO, MPH

Assistant Professor, UC Department of Pediatrics
Research Interests
Outcomes in pediatric liver and small bowel transplant
A photo of Michelle Saad.

Michelle Saad, MD, MS

Assistant Professor, UC Department of Pediatrics
Research Interests
Pancreatology
Neha Santucci

Neha R. Santucci, MD, MBBS

Assistant Professor, UC Department of Pediatrics
A photo of Allison Ta.

Allison Ta, MD

Assistant Professor, UC Department of Pediatrics
A photo of Takanori Takebe.

Takanori Takebe, MD, PhD

Associate Professor, UC Department of Pediatrics
Research Interests
Organoid; organogenesis; stem cell biology; transplantation; drug development Visit the Takebe Research Lab.
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Amy E. Taylor, MD

Assistant Professor, UC Department of Pediatrics
Research Interests
Pediatric Autoimmune Liver Disease including Autoimmune Hepatitis, Primary Sclerosing Cholangitis, and Autoimmune Sclerosing Cholangitis
A photo of Kelli VanDussen.

Kelli L. VanDussen, PhD

Assistant Professor, UC Department of Pediatrics
Research Interests
Intestinal epithelium; inflammatory bowel disease; primary cell culture; basic research; translational research
A photo of David Vitale

David S. Vitale, MD

Assistant Professor, UC Department of Pediatrics
Research Interests
Pediatric advanced endoscopy safety and outcomes; pediatric pancreatitis
This is a photo of Yunguan Wang.

Yunguan Wang, PhD

Assistant Professor, UC Department of Pediatrics
Research Interests
Bioinformatics; spatial transcriptomics; single-cell transcriptomics
A photo of Cynthia Wetzel.

Cynthia C. Wetzel, PhD

Assistant Professor, UC Department of Pediatrics
A photo of Kaitlin Whaley.

Kaitlin Whaley, MD

Assistant Professor, UC Department of Pediatrics
Research Interests
Quality improvement; pediatric IBD
A photo of Stavra Xanthakos.

Stavra A. Xanthakos, MD, MS

Associate Professor, UC Department of Pediatrics
Research Interests
Prevalence, determinants and outcome of pediatric obesity-related liver disease (Non-alcoholic fatty liver disease and steatohepatitis); bariatric...
Center for Rare Liver Disease Photoshoot,Dr. Chunyue Yin

Chunyue Yin, PhD

Assistant Professor, UC Department of Pediatrics
Research Interests
Liver biology; cholestasis; molecular genetics of pediatric liver diseases
Profile Photo Not Available

Nicole Zeky, DO

Instructor, UC Department of Pediatrics
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