Mr Devonport was appointed a Non-Executive Director of Auckland International Airport in October 2024 after finishing his executive career as Chief Financial Officer of Australian Pacific Airports Corporation (APAC), owner of both Melbourne and Launceston Airports and is also a director of North Queensland Airports. Previously Grant worked at Toll Holdings from 2006-2015 where he was CFO of both NZ and Group CFO up to the time of the sale of the business to Japan Post in 2015. Grant's portfolio with Toll included finance, Treasury, investor relations, procurement, property, safety and technology. He is the member of the risk committee. He is the member of the People & Safety Committee.