Dr. Metz is a Professor of Medicine at the Hospital of the University of Pennsylvania.

After earning his MD from the University of the Witwatersrand's Medical School, Dr. Metz was a resident at both the Albert Einstein Medical Center and the Johannesburg General Hospital. He went on to complete fellowships at Georgetown University Hospital as well as the National Institutes of Health.

Dr. Metz's clinical efforts and academic research focus on acid-peptic disorders, swallowing and esophageal disorders, gastrointestinal cancers, and Eosinophilic Esophagitis. He is currently the Gastrointestinal Division's Associate Chief for Clinical Affairs, director of the Acid-Peptic program and, co-director of both the Esophagology and Swallowing Program and the Neuroendocrine Tumor Center at the Hospital of the University of Pennsylvania.