/John C. Crittenden, Ph.D., P.E., BCEE, NAE, Hightower Chair and Georgia Research Alliance Eminent Scholar, Director of the Brook Byers Institute for Sustainable Systems, Georgia Tech, Kerry J. Howe, Ph.D., P.E., BCEE, Associate Professor of Civil Engineering, University of New Mexico, David W. Hand, Ph.D., BCEEM, Professor of Civil and Environmental Engineering, Michigan Technical University, George Tchobanoglous, Ph.D., P.E., NAE, Professor Emeritus of Civil and E