Hon. Consultant Allergist & Rhinologist, UCLHospitals, London

Johns Hopkins University

Guy's and St Thomas' Hospitals, and King's College London

Professor and Director, Division of Rhinology, University of Pennsylvania

Full Professor (Head and Neck Surgery), School of Medicine, Nicosia University

University of São Paulo

A/Professor & Chief of Otolaryngology, Head & Neck Surgery, Westmead Hospital …

Professor and Chair

University of Calgary, Division of Otolaryngology - Head and Neck Surgery

Professor of Surgery, University of Alberta