Greg is a civil engineer/hydrologist with over 40 years’ experience in the investigation, hydrologic/hydraulic design, modelling and impact assessment of water engineering related projects. He managed the Surface Water Hydrology Group of the former Queensland Water Resources Commission, which undertook hydrologic investigation and design of water supply projects. More recently he has worked for engineering consultancies employed as Principal Surface Water and Hydraulics Engineer. Projects have included environmental impact assessments, water resources assessments, and hydrologic and hydraulic modelling for design flood estimation. Currently he is self-employed, working on a part-time basis.