He is the Director of the ILTS Ph.D. program, in addition to serving in other leadership roles. He is Editor-in-Chief of the Journal of Air Transport Management (Elsevier), Associate Editor of the Journal of Transport and Supply Chain Management (AOSIS Publishing), a Fellow of The Higher Education Academy (FHEA) and an appointed member of the U.S. Transportation Research Board (TRB) standing Committees on Aviation Economics, Air Cargo and Light Commercial and General Aviation. He has been involved in a number of projects on air cargo, transport economics, policy and management for a range of clients such as the European Commission, Transport for NSW, and a number of major airlines.