Charles N. Haas, PhD, is the L.D. Betz Professor of Environmental Engineering in the Department of Civil, Architectural, and Environmental Engineering at Drexel University .
Haas has more than 45 years of experience conducting research in water treatment, risk assessment, environmental modeling and statistics, microbiology, and environmental health. He has been at Drexel University since 1991, serving as Department Head from 2005-2020.
He previously served on the faculties of Rensselaer Polytechnic Institute and Illinois Institute of Technology. Haas holds a BS in Biology and an MS in Environmental Engineering from Illinois Institute of Technology, and a PhD in Environmental and Civil Engineering from University of Illinois. He is a 2021 Member of the National Academy of Engineering and recipient of the 2021 College of Engineering Outstanding Career Research Award.