Dr. Gellad is an associate professor of medicine in the Division of Gastroenterology at Duke University Medical Center and a faculty member of the Duke Clinical Research Institute. He is also a VA Career Development Awardee and holds an appointment in the Health Services Research and Development Center of Innovation at the Durham VA Medical Center. His research focuses on the implementation of systems engineering methods to improve the quality and value of health care delivery with a specific emphasis in colorectal cancer screening.
Dr. Gellad has also received several innovation grants to develop and implement novel information technology platforms to improve the patient and clinician experience. He is also an active contributor to the innovation and entrepreneurship activities within Duke University and co-founder of a health technology startup in Durham.
He is the Director of Quality for the Division of Gastroenterology and Associate vice Chair for Clinical Innovation in the Department of Medicine at Duke University Medical Center. Dr. Gellad is past-chair of the Quality Measures Committee of the American Gastroenterological Association, associate editor for GI & Hepatology News and is on the Board of Editors for Clinical Gastroenterology and Hepatology.
Dr. Gellad received his MD and MPH degrees from Johns Hopkins University. He completed a residency in internal medicine and a fellowship in gastroenterology at Duke University Medical Center.
Horton A, Posner S, Sullivan B, Cornejo J, Davis A, Fields M, et al. Esophageal contractile segment impedance from high-resolution impedance manometry correlates with mean nocturnal baseline impedance and acid exposure time from 24-hour pH-impedance monitoring. Dis Esophagus. 2020 Dec 7;33(12).
Sullivan BA, Qin X, Redding TS, Gellad ZF, Stone A, Weiss D, et al. Genetic Colorectal Cancer and Adenoma Risk Variants Are Associated with Increasing Cumulative Adenoma Counts. In: Cancer Epidemiol Biomarkers Prev. 2020. p. 2269–76.
Gellad ZF. Issue Highlights. Clinical Gastroenterology and Hepatology. 2020 Oct 1;18(11):2389–92.