David obtained his PhD in Civil Engineering from the University of Birmingham, UK in 2004. Since then he has been working as a geotechnical engineer and has over 15 years of experience. He was involved in design work, construction supervision, and project management of infrastructure, buildings and land development projects in New Zealand, Singapore and the United Kingdom. He specialises in deep excavations and tunnelling projects. In addition, he has experience in numerical modelling looking at the soil-structure interaction of earth retention systems. He was involved in several building basement projects in Auckland in terms of planning, design, construction and project management.
He is a member of the following institutions: NZ Geotechnical Society, NZ Society for Earthquake Engineering, NZ Tunnelling Society, International Society for Soil Mechanics and Geotechnical Engineering and International Society for Rock Mechanics.