Don Del Nero, PE, CDT is Sr. Vice President and a Tunnel Engineering Director for WSP. Don is an accomplished chief engineer, design manager, author, presenter, and instructor and has more than 35 years of experience in a wide array of soft ground, weak rock, and hard rock underground projects. These include approximately 100 infrastructure projects and over 100 miles of tunnels in the US and Canada (40+ miles in the Atlanta area) and trenchless pipelines worth over $10 billion in construction value.