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Jeff Leach is the Founder of the not-for-profit Human Food Project and Co-Founder of the American Gut Project - the largest open-source, crowd funded microbiome project in the world. His research has been published in numerous journals including the European Journal of Clinical Nutrition, Nature, Journal of Field Archaeology, Current Research in the Pleistocene, Journal of Archaeological Science, British Journal of Nutrition, and numerous others. His research has been featured in numerous magazine and newspaper articles and he has written opinion pieces about health and nutrition for the New York Times and San Francisco Chronicle. His work among the Hadza was recently profiled in the prestigious journal Science and in several television programs and an upcoming PBS documentary.