Gregg Davidson has nearly 40 years of experience with the design and construction of tunnel and underground projects, ranging in size and complexity. He is the Underground Division’s Chief Operating Officer and a Principal Engineer. His project experience includes transportation, water and wastewater conveyance, and hydropower tunnels, using various types of excavation methods. Gregg also has extensive project management experience on underground projects using a variety of contract delivery methods. He earned his BSc in Civil Engineering from Heriot-Watt University in Edinburgh, Scotland, and is currently on the RETC Executive Committee, where he also serves as the UCA of SME Liaison.