Samuel Ariaratnam

  • Senior Sustainability Scientist, Julie Ann Wrigley Global Institute of Sustainability
  • Professor, Del E. Webb School of Construction, Ira A. Fulton Schools of Engineering

School of Sustainable Engineering and the Built Environment
Arizona State University
PO Box 870204
Tempe, AZ 85287-0204


Dr. Samuel T. Ariaratnam is a Professor in the Del E. Webb School of Construction at Arizona State University. Prior to coming to ASU in 2001, he was a faculty member in the Department of Civil and Environmental Engineering at the University of Alberta. His teaching and research interests are in the area of Urban Infrastructure Management & Rehabilitation, with a particular focus on trenchless engineering applications of horizontal directional drilling, trenchless pipe replacement, and underground utility asset management. He has published over 150 technical papers in refereed journals and conferences. Dr. Ariaratnam serves on the Editorial Board of Trenchless Technology Magazine, Trenchless Engineering, and the ASCE Journal of Construction Engineering and Management. He was recently named to the Phoenix Business Journal's Forty under 40 list.


Infrastructure management and rehabilitation; trenchless construction methods; urban infrastructure


PhD, Civil Engineering, University of Ilinois at Urbana-Champaign, 1994

MS, Civil Engineering, University of Illinois at Urbana-Champaign, 1991

BASci, Civil Engineering, University of Waterloo, Ontario, Canada, 1989