Leslie currently works as an independent global health and WASH consultant, with a specific interest in supporting research, monitoring, and evaluation efforts to improve the evidence base for reducing diarrheal-related diseases. She has an MSc in Public Health from the London School of Hygiene and Tropical Medicine and has worked for over nine years to improve quality of and access to WASH services, primarily in East Africa and South Asia, with organizations including WaterAid and the Aga Khan Foundation of Canada.

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In 2015, 663 million people lacked improved drinking water sources and 2.4 billion lacked access to appropriate sanitation facilities.1 A recent UNICEF study showed that global access to water in schools is at 71 percent and sanitation access at 69 percent. For least-developed countries, this drops to appallingly lower coverage rates of 52 …

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