Mark was appointed Chief Executive of the Stevenson Group in early 2010. Prior to his current role, Mark was Chief Executive of TZ1 and prior to this Chief Executive of Vector Limited - one of New Zealand’s largest companies.

Australian-born Mark has extensive experience in the infrastructure, energy and technology sectors in New Zealand, Australia and Asia. His Chief Executive roles in the IT and Telco sectors have encompassed start up and consolidation activities. Mark has also held leadership roles in IBM Global Services Asia Pacific and was a Director of New Zealand Railways Corporation (Kiwirail) and is a current Director of WEL Networks Limited and UltraFast Broadband Ltd.