In this episode, we welcome back Kevin Starr back to the podcast to update us on the work of the Mulago Foundation. Kevin explains how Mulago’s focus has inevitably extended over time to take into account climate and the environment–the focus of Mulago’s Henry Arnhold Fellows Program. Kevin’s main focus at Mulago is lasting change at scale and he explains how he thinks about scaling– and the importance of structuring investments to make sure that profit and impact are aligned.  In this wide ranging and stimulating interview, Kevin shares his perspective on the state of social entrepreneurship today, the reality of impact investment, and his evolving thoughts on measuring impact.  Kevin is the founder of the Mulago Foundation, which funds early stage social entrepreneurs devoted to maximum impact at scale in developing countries. Kevin set up the Reiner Arnhold Fellows Program in 2003 to apply Mulago’s principles and tools to help social entrepreneurs turn good ideas into lasting change at scale– and in 2016, the Henry Arnhold Fellows Program to add a focus on environmental solutions.  Kevin was the primary instigator of Big Bang Philanthropy, a group of funders that work together to direct more money to those best at fighting poverty, Over the years, Kevin’s taught hundreds of social entrepreneurs