Martin Brennan has extensive experience in the water sector, currently serving as the Business Group Leader for Water in Northern Australia at GHD, a position held since March 2008. Previous roles at GHD include Senior Environmental Engineer, Manager of Water & Wastewater Infrastructure, and Service Group Manager for Water in Townsville. Prior to rejoining GHD, Martin Brennan worked as an Infrastructure Engineer at NQ Water from May 2006 to February 2008 and began a career in water engineering as an Environmental Engineer at GHD from March 2001 to April 2006.