Larry W. Mays is Professor of Civil and Environmental Engineering at Arizona State University and former chair of the department. He was formerly Director of the Center for Research in Water Resources at The University of Texas at Austin, where he also held an Engineering Foundation Endowed Professorship. A registered professional engineer in seven states and a registered professional hydrologist, he has served as a consultant to many organizations. He was the editor-in-chief of Reliability Analysis of Water Distribution Systems (ASCE) and co-editor of Computer Modeling of Free Surface and Pressurized Flows. Among his honors include a distinguished alumnus award from the University of Illinois at Urbana-Champaign in 1999.