(COSSA), and president and CEO of CIESIN prior to its joining Columbia University. Dr. Balstad is the chair of the NRC U.S. National Committee for CODATA and the vice-chair of the NRC Panel on Earth Science Applications and Societal Needs. Dr. Balstad received her Ph.D. from the University of Minnesota.

Rita Colwell is chairman of Canon US Life Sciences, Inc. and distinguished university professor at both the University of Maryland at College Park and the Johns Hopkins University Bloomberg School of Public Health. Her interests are focused on global infectious diseases, water, and health, and she is currently developing an international network to address emerging infectious diseases and water issues, including safe drinking water for both the developed and the developing world. Dr. Colwell served as the eleventh director of the National Science Foundation, 1998-2004. Dr. Colwell is an elected member of the National Academy of Sciences; the Royal Swedish Academy of Sciences, Stockholm; the American Academy of Arts and Sciences; and the American Philosophical Society. Dr. Colwell holds a B.S. in bacteriology and an M.S. in genetics from Purdue University, and a Ph.D. in oceanography from the University of Washington.

Tom P. Evans is the co-director of the Center for the Study of Institutions Population and Environmental Change and an associate professor in the Department of Geography at Indiana University. His research interests are in the human dimensions of global change, geographic information systems, remote sensing, land cover change, and modeling social-ecological systems. His current research utilizes various methods of modeling land cover change with a particular emphasis on the process of reforestation. Dr. Evans completed his Ph.D. in geography from the University of North Carolina, Chapel Hill, and his B.A. in geography from Virginia Polytechnic Institute.

Nina S.-N. Lam is a professor of environmental studies at Louisiana State University. Her research interests are in geographic information systems (GIS), remote sensing, cartography, spatial analysis, and medical geography. Dr. Lam has published on topics such as spatial interpolation, cancer mortality in China, HIV/AIDS in America, land cover change detection via fractals and spatial indices, and scale and uncertainties in environmental health studies. Dr. Lam’s research has centered on developing as well as applying new methodologies in remote sensing and GIS to detect patterns and find associations between environment, health, and the social condition of people. Her current research focuses on data mining of medical, social, and economic phenomena; decision making in post-catastrophe uncertainty; and rapid environmental assessment and change detection via remote sensing. Dr. Lam received her Ph.D. and M.S. in geography

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