Robert G. Varady is research professor of environmental policy at the Udall Center for Studies in Public Policy at the University of Arizona, where he is past director and past director of Environmental Policy Programs. He is also a faculty member in the School of Natural Resources and the Environment, and in the Department of Hydrology and Atmospheric Sciences. He earned a PhD at the University of Arizona for study of the modern history of developing-country infrastructure. Varady holds MS and BS degrees in mathematics from the Polytechnic Institute of Brooklyn (now NYU-Poly/Polytechnic Institute of NYU) and the City College of New York, respectively. His work has addressed water security, environmental and water-management governance and policy in arid regions, emphasizing transboundary issues, especially along the U.S.-Mexico border. He has been a consultant to UNESCO, FAO, and GEF on water-related efforts, and led an evaluation of UNESCO’s World Water Assessment Program. He has co-edited 13 books and journal special issues and published more than 225 articles, book chapters, and reports. He has directed environmental and agricultural projects in West Africa, the Middle East, and South Asia, and in 2012 received the University of Arizona’s Award for Excellence in Global Service.