Professor of Gastroenterology, Karolinska Institutet

National and Kapodistrian University of Athens, Medical School,

Center for Interventional Endoscopy (CIE), Advent Health

Attending Physician, St. Francis Hospital. Assistant Professor at University of Connecticut.

Southern California Permanente Medical Group

Hanoi Medical University

Dijon's University

Mayo Clinic School of Graduate Medical Education

The Children's Hospital of Philadelphia, University of Pennsylvania

Gastroenterologist, Harvard Medical Faculty Physicians at Beth Israel Deaconess