Endangered Species Act Committee. Tom holds a Bachelor of Science in Geology from the State University of New York and has in Geology at Arizona State University. He has extensive knowledge of the City’s water rights and has worked on negotiations for the Gila River Indian Community Water Rights Settlement; Plan 6 modifications to Roosevelt Dam; Endangered Species Act impacts on the City’s water supply; the Arizona Groundwater Management Act; water delivery contracts with SRP; Colorado River issues and a variety of other water resources issues, contracts, and planning activities with local and regional implications.


Radford Byerly, Jr. is a research scientist at the Center for Science and Technology Policy Research, University of Colorado. He formerly worked at the National Institute of Standards and Technology (then the National Bureau of Standards) in the environmental measurement and fire research programs; he served as chief of staff of the U.S. House of Representatives Committee on Science and Technology; and he was director of the University of Colorado's Center for Space and Geosciences Policy. He served as a member of NASA's Space Science and Space Station Advisory Committees and served on NSF site visit committees and review panels. Dr. Byerly was a member of the NRC Space Studies Board and served on the Committee on the Scientific Context for Space Exploration (2004-2005), the Committee on Principles and Operational Strategies for Staged Repository Systems (2001-2003), the Committee on Building a Long-Term Environmental Quality Research and Development Program in the U.S. Department of Energy (2000-2001), and the Board on Assessment of National Institute of Standards and Technology Programs (1995-2000).


Heidi Cullen is the climate expert at The Weather Channel and has the key responsibility of adding explanation, depth and perspective to climate stories for The Weather Channel network and other platforms. Dr. Cullen most recently was a scientist at the National Center for Atmospheric Research (NCAR) in Boulder, CO. She has done research in the U.S. Southwest and the Middle East, publishing on domestic and international climate topics. As a post-doc, she received a NOAA Climate & Global Change Fellowship and spent two years working at the International Research Institute for Climate Prediction. She received a B.S. in Engineering/Operations Research from Columbia University in NYC and went on to receive a Ph.D. in climatology and ocean-atmosphere dynamics at the Lamont-Doherty Earth Observatory of Columbia University. Her dissertation focused on trying to understand the impacts and dynamics of the North Atlantic Oscillation.


Ann-Margaret Esnard joined Florida Atlantic University’s Department of Urban and Regional Planning in August 2005 as an Associate Professor and Director of the Visual Planning Technology Lab (VPTLAB). Dr. Esnard’s expertise encompasses GIS/spatial analysis, coastal vulnerability assessment, land use planning, and disaster planning. Dr. Esnard is the co-author of the Hypothetical City Workbook (with Edward Kaiser, Dave Godschalk, and Philip Berke) and has written on other topics that include quality of life and holistic disaster recovery, spatial analysis of New York metropolitan urban



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