RALPH C.G. HAAS is the Norman W. McLeod Engineering Professor and Distinguished Professor Emeritus in the Department of Civil Engineering at the University of Waterloo in Ontario, Canada. He holds country's highest civilian honor, the Order of Canada and the highest academic honor, Fellow of the Royal Society of Canada. An innovator in pavement design and civil infrastructure management systems, Dr. Haas is co-author of Modern Pavement Management and Infrastructure Management.