David Strelneck helps lead the global Nutrient Value Chain initiative at Ashoka. Over the past four years, his team identified the flow of bioavailable nutrition from ecosystems and soils into human health, through food systems, as the underlying basis of a wide range of business, farming, healthcare and environmental innovations that are emerging worldwide. In collaboration with the social entrepreneurs behind over 100 of these system-changing innovations in India, Africa, Europe and North America, Mr. Strelneck and Ashoka are now working to spread action and further innovation along this Nutrient Value Chain. Prior to this focus, Mr. Strelneck spent 20 years helping spawn private and government environmental initiatives in 23 countries, addressing ozone-depleting pollutants by automotive mechanics across South America and Asia, community restoration of ocean fisheries in the United States, cloud forest conservation in Central America, and others.