Eugenio Tisselli (Mexico City, 1972) Computer scientist and digital artist. Since 2003 he collaborates with the megafone.net project, in which groups at risk of social exclusion around the world are enabled to share their views on the web using mobile phones. He has been an associate researcher at Sony Computer Science Lab in Paris, and teacher and co-director of the Masters degree in Digital Arts in Barcelona. Currently, he is a PhD candidate at Z-Node. He has developed the Sauti ya wakulima project as part of his ongoing research.