Malcolm has been the Chief Executive of Christchurch Airport since January 2014 and is a non-executive director of the Lyttleton Sea Port Company, a New Zealand Delegate of APEC Business Council where he is leading the working group on Climate Leadership for Business, a member of the Climate Leaders Coalition Advisory Board, a Board member of the Sustainable Business Council of New Zealand, a member of Business New Zealand's Major Companies Group and has served on the Governments Trade for All Working Group.

Over his 30-year career he has held a number of senior executive and governance roles within New Zealand's transport, aviation and tourism sectors.

In his executive role Malcolm has led the embedding of ambitious business development, customer experience, safety, social and sustainability strategies. Christchurch Airport is on track to eliminate 90% of its scope one emissions and in late 2020 became the first airport in the world to reach the World Airport's Association's (ACI) highest level for airport decarbonisation. Christchurch Airport is now engaging with over 40 airports across the Asia Pacific region on their decarbonisation journeys.