Graeme has 30 years of experience working in the United Kingdom, Canada, Australia, throughout the Pacific Islands, and New Zealand, where he was General Manager for seventeen years for a specialist geotechnical contracting firm. Graeme holds a Masters of Business Administration degree, a New Zealand Civil Engineering qualification, is a registered engineering associate, and has wide ranging hands-on experience across operations, project management, business development, and technical engineering fields. He pioneered the use of deep soil mixing and related ground improvement technologies in New Zealand, successfully introduced many other geotechnical technologies to that country, and also introduced the Soil Nail Launcher to Australia. Graeme enjoys most outdoor pursuits including skiing, hiking, boating, and cycling.
A variation of karst sinkhole grouting is the grouting of mined coal seams and workings located below existing infrastructure that exhibit the potential to propagate to the surface and cause sinkholes and/or subsidence.