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Thomas M Iseman

Director of Water Scarcity and Markets, Global Freshwater Program

Denver, Colorado, USA

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Thomas M. Iseman Thomas M. Iseman is the Director of Water Scarcity and Markets at The Nature Conservancy. © 2020


water markets, water scarcity, drought adaptation, water infrastructure, freshwater ecosystems




Tom Iseman is the Director of Water Scarcity and Markets for the Global Freshwater Program of The Nature Conservancy. He leads TNC’s work in water-scarce regions around the world, protecting and restoring rivers and wetlands while supporting water security for communities and agriculture. His team is developing and employing new investment models, including water markets, to achieve conservation and social goals.

Tom has more than two decades of experience in resolving water scarcity challenges and helping communities adapt to changes in the water resource sector. Prior to assuming his current position at TNC, he served as the Principal Deputy Assistant Secretary for Water and Science for the U.S. Department of the Interior, and before that he led the water program for the Western Governors’ Association (WGA). He has led projects on drought and climate adaptation, water infrastructure, and the energy-water nexus, and he co-authored reports on water markets for Interior and WGA.

Tom is originally from Denver, Colorado, where he currently resides with his wife, Alex, and their daughter, Claire. Tom earned a B.A. in history from Princeton University and an M.S. in freshwater ecosystems from the University of Michigan.

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