Dr. Ronald A. Chadderton is the Edward A. Daylor Professor and past chairman of Civil and Environmental Engineering at Villanova University. He served as an officer in the U.S. Air Force before graduate work at Bucknell and Carnegie-Mellon Universities. He was a faculty member at The Pennsylvania State University prior to Villanova. His teaching interests include fluid mechanics, hydrology and hydraulics, and water and wastewater treatment. His research interests include hydraulic modelling, water quality, and assimilation capacity/wasteload allocation in streams. His research has been supported by AWWA Research Foundation, Chesapeake Research Consortium, ASCE, EPA, PennDot, and the Sarah Scaife and Carthage Foundations.