Mohammad Najafi, Ph.D., P.E, is the Director of the Center for Underground Infrastructure Research and Education (CUIRE) and Director of Construction and Infrastructure Engineering and Management at the Department of Civil Engineering at The University of Texas at Arlington. He is Founder and Chief Editor of the ASCE Journal of Pipeline Systems Engineering and Practice and author of the Trenchless Technology: Pipeline and Utility Design, Construction, and Renewal, and Trenchless Technology Piping: Installation and Inspection both by McGraw-Hill. He lives in Arlington, Texas.