Board Members


Members of the Board are chosen through a careful process of search and selection in an endeavor to assemble a committee of the highest competence; they are chosen on the strength of their professional qualifications. Members are volunteers and serve as individuals, not as representatives of any institution. The term of appointment is typically 3 years.




CATHERINE L. KLING, Chair, is the Charles F. Curtis Distinguished Professor of Economics, the President’s Chair of Environmental Economics, and has served as Director of the Center for Agricultural and Rural Development since 2013—all at Iowa State University.  She was elected to the National Academy of Sciences in 2015.  Dr. Kling has published nearly 100 refereed journal articles and books chapters which have received over 8000 (google scholar) citations.  At Iowa State, she leads an interdisciplinary research group developing integrated assessment models related to agricultural land use, water quality and ecosystem service valuation which has received over $7 million in funding from the National Science Foundation, the U.S. Department of Agriculture, the Iowa Department of Natural Resources, and the U.S. Environmental Protection Agency.  Dr. Kling’s engagement in the policy process includes over ten years of service as a member EPA’s Science Advisory Board, membership on the Water Science and Technology Board of the National Academies and a member of five Academies’ studies. She served as president of the Association of Environmental and Resource Economists, has held editorial positions at ten economics journals, and has received seven awards from professional associations for her research including the Bruce Gardner Memorial Prize for Applied Policy Analysis by the Agricultural and Applied Economics Association. She is a Fellow of the Association of Environmental and Resources Economists, the Agricultural & Applied Economics Association, and a University Fellow at Resources for the Future.  Dr. Kling holds a B.A. degree in business and economics from the University of Iowa, and a Ph.D. degree in economics from the University of Maryland.

DAVID A. DZOMBAK, NAE, is the Hamerschlag University Professor and Head of Civil and Environmental Engineering at Carnegie Mellon University. He conducts research in water quality engineering and science on topics pertaining to water resource sustainability and the water-energy nexus.  Dr. Dzombak is a member of the National Academy of Engineering, a registered professional engineer in Pennsylvania, a Board Certified Environmental Engineer, a Diplomate Water Resources Engineer, , and a fellow of the American Society of Civil Engineers and Water Environment Federation.  He has served on a number of WSTB committees, including service as chair of the Committee on Mississippi River Water Quality and the Clean Water Act, the Committee on Mississippi River Water Quality and Interstate Collaboration, and the Committee on the U.S. Army Corps of Engineers Water Resources Science, Engineering, and Planning. He served on the U.S. EPA Science Advisory Board from 2002-2016, and on the Science Advisory Board of the U.S. DOD Strategic Environmental Research and Development Program from 2013-2016.  Dr. Dzombak holds a BA degree in mathematics from Saint Vincent College, BS and MS degrees in civil engineering from Carnegie Mellon University, and a PhD degree in civil engineering from the Massachusetts Institute of Technology.

WENDY D. GRAHAM is the Carl S. Swisher Eminent Scholar in Water Resources in the Department of Agricultural and Biological Engineering, and Director of the Water Institute, at the University of Florida, Gainesville.  Her areas of specialization include integrated hydrologic modeling, groundwater resources evaluation and remediation, evaluation of impacts of agricultural production on surface and groundwater quality, evaluation of impacts of climate variability and climate change on hydrologic systems, and stochastic modeling and data assimilation.  Dr. Graham is a member of the Florida Agricultural Water Policy Advisory Council. She served three terms on the National Academies’ Committee on Independent Scientific Review of Everglades Restoration Progress as well as on the Review of EPA’s Economic Analysis of Final Water Quality Standards for Nutrients in Lakes and Flowing Waters in Florida.  She has a B.S. in environmental engineering from the University of Florida, and a Ph.D. in civil engineering from the Massachusetts Institute of Technology.

ARTURO A. KELLER is a professor of biogeochemistry at the Bren School at the University of California, Santa Barbara.  He holds a joint appointment with the Department of Mechanical and Environmental Engineering at UCSB.  His research and teaching interests focus on water quality management and fate and transport of pollutants in the environment.  Dr. Keller was a facilitator for the award-winning Nitrogen TMDL process for the Santa Clara River.  His interests also include work on nanoparticles, organic liquids, and persistent organic pollutants associated with clay particles.  Dr. Keller received a B.A. in chemistry and a B.S. in civil engineering from Cornell University, and an M.S. and a Ph.D. in civil engineering from Stanford University.

MARK W. LeCHEVALLIER has worked since 1985 for American Water, a water utility operating in 40 states and Canada that serves over 15 million people.  Dr. LeChevallier is currently a Vice President and Chief Science Advisor at the American Water Corporate Center in Voorhees, NJ.  In this capacity he is involved in the research and development, innovation, and environmental compliance and stewardship program for the company. His research areas have included bacterial regrowth, disinfection of biofilms, corrosion, AOC measurement techniques, biological treatment, Mycobacterium, microbial recovery and identification, modeling and impact of pressure transients on water quality, and detection, treatment and survival of Giardia and Cryptosporidium.  He has authored or coauthored over 100 research papers.  He was the recipient of the George Warren Fuller award in 1997 from the New Jersey section of the American Water Works Association, the Abel Wolman Award from the American Water Works Association in 2012, and the A.P. Black award for research from the American Water Works Association in 2015. He received his BS and MS in microbiology from Oregon State University.  He worked as a Research Associate at Montana State University, where he received his Ph.D. in microbiology.

DINAH LOUDA is senior vice-president and adviser on international relations to the Chairman and CEO of Veolia Environment in Paris.  She joined Veolia as executive vice-president for communications of its water division, Veolia Water, in 2006.  She previously served as executive vice-president for communications of AREVA, a French multinational group specializing in nuclear and renewable energy.  She was a journalist from 1983-91 with several French and international newspapers, including the International Herald Tribune.  She has worked with the Victoire insurance group (now Aviva) as director for European communications, served as director of communications for Abeille Assurances, and was director of communications for Crédit Agricole Indosuez, the investment banking arm of Crédit Agricole.  Dinah is a certified coach (HEC Executive Coaching) and sits on the Board of the French-American Foundation.  She graduated from the Institut d'Etudes Politiques in Paris and holds an M.A. degree in political science from Harvard University.

MARGARET A. PALMER is the Director of the National Socio-Environmental Synthesis Center, an NSF- and University of Maryland-supported research center dedicated to creating synthetic, actionable science related to the structure, functioning, and sustainability of socio-environmental systems.  As a Distinguished University Professor at the University of Maryland, she oversees a research group focused on watershed science and restoration ecology.  She has studied streams, wetlands, and estuaries for more than 30 years, with more than 150 scientific publications and multiple ongoing collaborative research grants.  She is past Director of the Chesapeake Biological Laboratory, she currently serves on the editorial boards of the journals Restoration Ecology and Science, and she most recently published the 2nd edition of The Foundations of Restoration Ecology.  Dr. Palmer has been honored as an AAAS Fellow, an Aldo Leopold Leadership Fellow, a Lilly Fellow, a Distinguished Scholar Teacher, a University System of Maryland Board of Regent's Faculty Award of Excellence, and an elected fellow of the Society for Freshwater Science as well as the Ecological Society of America (ESA). In 2016, she was awarded the ESA Sustainability Science Award. She received her BA in biology from Emory University and her PhD in oceanography from the University of South Carolina.

STEPHEN POLASKY, NAS, is the Fesler-Lampert Professor of Ecological/Environmental Economics at the University of Minnesota.  He previously held faculty positions at Oregon State University and at Boston College.  Dr. Polasky served as the senior staff economist for environment and resources for the President’s Council of Economic Advisors (1998-1999).  His research interests include ecosystem services, natural capital, biodiversity conservation, endangered species policy, integrating ecological and environmental analysis, and common property resources.  He has served as coeditor and associate editor for the Journal of Environmental Economics and Management, associate editor for the International Journal of Business and Economics, and serves as associate editor for the journals Conservation Letters, Ecology and Society, and Ecology Letters.  He was elected to the National Academy of Sciences in 2010.  He received his Ph.D. in economics from the University of Michigan.

DAVID L. SEDLAK, NAE, is Professor of Civil and Environmental Engineering at the University of California, Berkeley where he is also the co-Director of the Berkeley Water Center and the Deputy Director of the National Science Foundation's Engineering Research Center on Reinventing the Nation's Urban Water Infrastructure (ReNUWIt). His areas of research include analytical methods for measuring organic compounds in water, fate of chemical contaminants in water recycling systems, environmental photochemistry, and ecological engineering.  He has received several notable awards including the Fulbright Senior Scholar Award in 2003, Paul Busch Award for Innovation in Water Quality Engineering in 2003 and the NSF CAREER Award in 1997.  Dr. Sedlak received a B.S. in environmental science from Cornell University and a Ph.D. in water chemistry from the University of Wisconsin, Madison.

DAVID WEGNER is retired from a senior staff position on water, energy and transportation committees in the U.S. House of Representatives.  In that position he worked on legislation that directly affected administration policy and federal agency actions related to the U.S. Army Corps of Engineers, the Department of the Interior, the Environmental Protection Agency, Bonneville Power, Tennessee Valley Authority, and the Department of Energy.  Prior to serving in Washington, D.C. he worked for over 20 years for the Department of the Interior managing water and science programs in the Colorado River basin and the Grand Canyon.  During his tenure at DOI he was instrumental in formulating the Adaptive Management approach for other river systems impacted by dams and river operations.  For 14 years he built a private international environmental company that focused on global water issues.  Currently he works as a part-time senior scientist/engineer for Jacobs Engineering (a Fortune 500 Company) and provides input and strategic counsel to NASA/JPL, academic institutions, members of Congress and staff, and international organizations focused on water, energy, coastal and climate issues.  Mr. Wegner is a frequent lecturer on the use of science in natural resource management and on the history of western water.  He is on the boards of the Glen Canyon Institute, the Sonoran Institute and CalCom Solar.  Mr. Wegner received his MS in engineering/fluvial geomorphology from Colorado State University.

P. KAY WHITLOCK is vice president of Christopher B. Burke Engineering, where she manages multidisciplinary water resource, stormwater, and flood control projects. Ms. Whitlock has more than 40 years of experience in the areas of water resource management, stormwater management, flood control, water and natural resource engineering, federal, state and local funding, and legislative testimony for project authorizations.  As a part of the Master Civil Engineering team, she currently manages the hydrology, hydraulics, and water resource permitting for the O’Hare Modernization Program. In 2005, she worked with the Metropolitan Water Reclamation District of Greater Chicago to develop the Stormwater Management Plan for Cook County. Prior to this, Ms. Whitlock served at a number of public agencies on flood control and water resource management issues, including the Santa Clara Valley Water District, DuPage County, Illinois and the Illinois Division of Water Resources. Ms. Whitlock earned her B.S. degree in agricultural engineering from the University of Illinois, Urbana-Champaign and her M.A from the University of Illinois and is a graduate of University of Mississippi’s Management Training Institute.

JAMES W. ZIGLAR, SR., is Senior Counsel with Van Ness Feldman. He retired in 2008 as President and Chief Executive Officer of Cross Match Technologies, Inc., a provider of biometric technologies.  Before joining Cross Match Technologies, Inc. in August 2005, Mr. Ziglar was Managing Director and Chief Business Strategist at UBS Financial Services, Inc. in New York.  Mr. Ziglar has over 16 years of experience in investment banking, including 10 years with UBS, prior to departing in 1998 to serve as Sergeant-at-Arms of the U.S. Senate.  From August 2001 until his retirement from federal service in December 2002, Mr. Ziglar served as the last Commissioner of the Immigration and Naturalization Service.  Before rejoining UBS in 2004, Mr. Ziglar was a Distinguished Visiting Professor of Law at George Washington University Law School and a Resident Fellow at Harvard University’s JFK School of Government Institute of Politics. Mr. Ziglar also has served as Assistant Secretary of the Interior for Water and Science, as a law clerk to U.S. Supreme Court Associate Justice Harry A. Blackmun, as a congressional and public affairs officer at the Department of Justice, and as an aide to the Chairman of the U.S. Senate Judiciary Committee.  Mr. Ziglar received his B.A. and J.D. degrees from George Washington University.