This scholar is a distinguished University Professor in Civil and Environmental Engineering at a leading university, with a courtesy appointment in Chemical Engineering. He earned his Ph.D. from Stanford University, an M.S. from the University of Wisconsin, and a B.S. from the University of California. His research in environmental nanotechnology focuses on sustainable agriculture, environmental remediation, and water treatment. An executive editor of a prestigious journal, he has published over 230 articles, is a Highly Cited Researcher, and is a Fellow of both AAAS and AEESP.