In their last semester at UC Berkeley, Alejandro Velez and Nikhil Arora were inspired by a class lecture about the possibilities of growing mushrooms using entirely recycled coffee grounds. The perfect representation of turning waste into wages, after various experimentations the pair founded Back to the Roots in 2009. We caught up with Nikhil to learn more about the company’s business model and its newest offering, a tabletop aquaponic farm.