Stantec's Water TreatmentJohn C. Crittenden is Director of the Brook Byers Institute for Sustainable Systems and Hightower Chair and Georgia Research Alliance Eminent Scholar at Georgia Institute of Technology. R. Rhodes Trussell is the founder and chairman of Trussell Technologies and a former Senior Vice President at MWH (now part of Stantec).. David W. Hand is Professor Emeritus of Civil, Environmental, and Geospatial Engineering at the Michigan Technological University.