Patrick A. Ward, MB ChB, BSc, FRCA, is a Consultant Anaesthetist at St John's Hospital, Livingston, Scotland, with a special interest in difficult airway management, with expertise in anaesthesia for Oromaxillofacial, ENT, Head and Neck surgery, and major Burns. Previous appointments include Airway Lead and Consultant Anaesthetist at Chelsea and Westminster Hospital, London (centre for Craniofacial surgery and Burns), and Locum Consultant at Charing Cross Hospital, London (centre for Head and Neck surgery and tracheal reconstruction). He has published over 50 articles in peer reviewed journals and periodicals, and authored several book chapters. He has been a journal reviewer for the International Journal of Maxillofacial Surgery and International Journal of Obstetric Anaesthesia, and has been an invited speaker at AAGBI and OAA conferences. Michael G. Irwin, MB ChB, MD, FRCA, FCAI, FANZCA, FHKAM, is the Daniel CK Yu Professor in the Department of Anaesthesiology, University of Hong Kong. He is Past President of the Society of Anaesthetists of Hong Kong and of the Hong Kong College of Anaesthesiology. Prof. Irwin has published over 300 articles in peer reviewed scientific journals and is a regular invited journal reviewer. He is an editor of Anaesthesia, Perioperative Medicine, Expert Opinion on Pharmacotherapy and senior editor of the HK Medical Journal. He is on the Faculty of Evidence Based Perioperative Medicine (EBPOM) and was Chairman of the organising committee for the World Congress of Anaesthesia 2016. Research interests include intravenous anaesthesia, pharmacology, perioperative medicine/enhanced recovery and the effects of anaesthesia on cancer.