Sarah Mendelsohn is a social entrepreneur specializing in environmental and social change. She built programs and complementary evaluation strategies from the ground up in Africa, the Middle East and the U.S. While researching domestic water systems in the West Bank, she identified the first case of informal waste burning in the region. More recently, Sarah grew a water and sanitation NGO, The Water Trust, from a subsidiary partner into an international NGO with a 400% increase in operating budget. Currently, Sarah is consulting with corporations, academic institutions and NGOs to increase impact by leveraging innovative technologies. Sarah has a B.S. in Psychology from the University of Wisconsin-Madison and a M.Sc. in Water Resources from McGill University. She also studied at La Sorbonne in Paris and the Zuckerberg Water Institute of Ben-Gurion University in Israel.