James Crook is an independent environmental engineering consultant specializing in the area of water reuse. He has previous experience in state government and consulting engineering arenas, where he developed and executed a broad range of engineering services for water and wastewater agencies in the public and private sectors in the United States and abroad. Dr. Crook developed California’s first comprehensive water reuse criteria, has authored numerous technical papers and reports, and is an internationally recognized expert in the area of water reclamation and reuse. He was the principal author of water reuse guidelines published by the U.S. Environmental Protection Agency and U.S. Agency for International Development and was the American Academy of Environmental Engineers’ 2002 Kappe Lecturer. He has served on the Water Science and Technology Board and several National Research Council committees. Dr. Crook received his B.S. in civil engineering from the University of Massachusetts and his M.S. and Ph.D. in environmental engineering from the University of Cincinnati.

Joan G. Ehrenfeld is a professor in the Department of Ecology, Evolution, and Natural Resources at Rutgers University. She is also the director of the New Jersey Water Resources Research Institute. She received her B.A. from Barnard College, Columbia University, magna cum laude with honors in biology, her M.A. in biology from Harvard University, and her Ph.D. in biology from City University of New York. Dr. Ehrenfeld is associate editor for the journal Restoration Ecology and has served on the editorial board of Wetlands. Her research is centered on the overlap between ecosystems ecology and plant ecology, emphasizing wetland ecology and exotic species invasions. She is involved in research in a wide variety of ecosystems in New Jersey, including the Pinelands, the hardwood forests of the northwestern hills, and the red maple swamps of the northeastern Piedmont province. Her teaching includes lecture courses on general ecology, wetland ecology, ecosystems ecology and global change, research methods in ecology, and restoration ecology.

Konstantine P. Georgakakos is the managing director of the Hydrologic Research Center in San Diego, California. He is also an adjunct full professor with the Scripps Institution of Oceanography of the University of California, San Diego, and an adjunct full professor with the Department of Civil and Environmental Engineering of the University of Iowa. Previously, he was an associate professor at the University of Iowa and with the Iowa Institute of Hydraulic Research, as well as a research hydrologist with the National Weather Service. He holds M.S. and Sc.D. degrees from the Massachusetts Institute of Technology. Honors and awards include the Presidential Young Investigator Award from the National Science Foundation and the NRC-NOAA Associateship Award from the National Research Council. He is the primary author of several software packages pertaining to real-time flow prediction, which are in various stages of implementation for operational use by the U.S. Army Corps of Engineers and the National



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