Catherine N. Mulligan has B.Eng. and M.Eng. degrees in chemical engineering from McGill University, and a Ph.D. specializing in geoenvironmental engineering, also from McGill University, Montreal, Canada. She has worked for the Biotechnology Research Institute of the National Research Council and SNC Research Corp. She then joined Concordia University, Montreal, Canada, in the Department of Building, Civil and Environmental Engineering in 1999. She has taught courses in site remediation, environmental engineering, and geoenvironmental engineering, and she conducts research in the remediation of contaminated soils, sediments, and water. She held a Concordia Research Chair in Geoenvironmental Sustainability (Tier I) and is a Full Professor and Distinguished Research Professor. She is the founder and Director of the Concordia Institute of Water, Energy and Sustainable Systems. She has authored more than 130 refereed papers in various journals, and holds three patents. She is a Fellow of the Canadian Society for Civil Engineering, Engineering Institute of Canada, Canadian Academy of Engineering and the Royal Society of Canada.