David Purkey

David Purkey serves as a Senior Research Fellow at the Stockholm Environment Institute (SEI) since July 2006, after previously holding the position of Director for SEI Latin America, where significant growth was achieved from a single employee to over 35 colleagues. David also leads the US Water Resources Group, focusing on water resource management and the development of the Water Evaluation and Planning (WEAP) modeling software. Prior to SEI, David was the Director at the Natural Heritage Institute, managing advanced water resource modeling initiatives, and founded West World Water, a consulting firm specializing in water management projects. David holds a Ph.D. in Hydrology and an M.S. in Water Science and Engineering from the University of California, Davis, as well as a B.A. in Geology/Earth Science from Carleton College.