B.Sc., American University of Beirut, Beirut, Lebanon, 1985.
M.D., American University of Beirut, Beirut, Lebanon, 1989.

Residency/Fellowship: Duke University Medical Center, Durham, North Carolina (internal medicine), 1989-1992; (pulmonary and critical care), 1992-1995.

Certified by the American Board of Internal Medicine in Internal Medicine and Pulmonary Disease.

University of Florida, Gainesville, Florida, medical director, Lung Transplant Program, 1996-2013; Professor of Medicine, 2010-2013; Indiana University, Indianapolis, Indiana, Professor of Clinical Medicine, 2013-2015; University of Kentucky, Lexington, Kentucky, Professor of Medicine and Surgery, 2015-2021; medical director, Lung Transplant Program, 2015-2021; medical director, Veno-Venous Extracorporeal Membrane Oxygenation (ECMO), 2018-2021; Baylor College of Medicine, Houston, Texas, Professor of Medicine, 2021-2022.

Appointed to the staff of Mayo Clinic in Florida, 2022; Professor of Medicine, Mayo Clinic College of Medicine and Science, 2023-present; chair, Division of Lung Failure and Transplant, 2022-present.