Alistair together with Stephen Burns formed Campbell MacPherson in 2002. Alistair was the former principal of Waitiri Capital Ltd, an Auckland-based venture capital and advisory company established in 1997, the interests of which were acquired by Campbell MacPherson. In both roles he has advised many business leaders and owners on issues relating to corporate governance and strategy, mergers, acquisitions and capital-raising.

Alistair has an in depth knowledge of the NZ building and construction sector including extensive senior management experience in NZ and overseas with the Fletcher Building Group between 1982 and 1997. Alistair is a former CEO of Golden Bay Cement, the largest cement company in NZ and a key part of NZX-listed Fletcher Building.  As a reflection of this position Alistair also chaired a variety of industry groups including the Cement and Concrete Association of NZ and the Major Energy Users Group.

Alistair is a former Director of Solid Energy and Hynds Limited, and continues to hold several private company directorships including Christchurch Ready Mix Concrete Limited.  He is a member of the New Zealand Institute of Directors and an Associate Fellow of the NZ Institute of Management.