EnglishJohn Zoltner is Director for Latin America and the Caribbean of DataDyne.org, a Washington, DC-based social enterprise developing mobile technologies for international development, including EpiSurveyor - a mobile data collection and analysis application used by more than 3,000 people and…

An environmentally concerned scientist interested on sustainable agriculture as a tool for community development. With more than 10 years of experience researching the use of microorganisms as bio-fertilizers and bio-controls. Experienced in the use of different cultural practices, for the…