New Zealand


David Wilkie, General Manager Advisory

David leads TSA Advisory’s business across APAC. He brings over 30 years’ experience project management, procurement management and stakeholder engagement. He’s advised on some of New Zealand’s most complex projects including Auckland Airport Second Runway, Auckland City Hospital Building Programme and Auckland Metropolitan Rail Network. In 2021 David was appointed as the Associate Programme Director to oversee and direct the procurement and construction of a new hospital in New Plymouth.


Steve Haultain, Senior Associate

Steve is a senior commercial advisor who has had more than 15 years’ experience in delivering economic analysis, business case, asset management, assurance and procurement advisory. He has provided advice across a diverse portfolio of infrastructure including electricity, ports, social housing, education and health.

Steve has been supporting Transpower on major capital project regulatory approvals for over a decade. He’s also assisted in the transfer of social housing from Kāinga Ora to a new community housing provider in Porirua; advised on the establishment of an Investment Office for Te Pukenga; and helped government agencies with drafting asset management documentation.

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