M.D., Antigua School of Medicine, 1990.
M.Sc., Royal Postgraduate Medical School, University of London, U.K., 1991.
D.Phil., Oxford University, Oxford, U.K., 2002.

Residency/Fellowship: Bronx Lebanon Hospital, Albert Einstein College of Medicine, Bronx, N.Y. (pediatrics), 1993-1995; New Jersey Medical School, Newark, N.J. (pediatric infectious diseases), 1996-1998; Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, Oxford, U.K. (research fellowship), 1999; (clinical fellowship), 1999-2002.

Certified by the American Board of Pediatrics in Pediatrics and Pediatric Infectious Diseases.

St. George’s Hospital NHS Trust, London, U.K., consultant in pediatric infectious diseases, 2002-2008; Emory University School of Medicine, Atlanta, Ga., Associate Professor of Pediatrics, 2008-2015; Professor, 2015-2018.

Appointed to the staff of Mayo Clinic, 2018; Professor of Pediatrics, Mayo Clinic College of Medicine and Science, 2013-present; Joint appointments, Department of Immunology and Department of Obstetrics and Gynecology, 2021-present.