Dr David Powell is the Medical Advisor to the International Air Transport Association (IATA). IATA is the global body representing the world?s major airlines, headquartered in Geneva and Montreal. Dr Powell is a specialist in occupational medicine whose professional background is mostly in aviation, including as an Air Force flight surgeon, managing medical services for airlines, academic roles and also consulting for a variety of aviation organisations including ICAO (the International Civil Aviation Organisation). He has around 20 publications mostly in aerospace medicine. Although his role is based in Geneva he is normally resident in New Zealand.