Aviva Presser Aiden, a first-year medical student at Harvard Medical School, received her PhD from Harvard's School of Engineering and Applied Sciences in 2009. She co-founded Bears Without Borders, an organization fostering economic opportunities among developing-world artisans, and is co-founder and CTO of Lebônê, a social enterprise developing microbial fuel cells as an off-grid energy and lighting solution for Africa. These initiatives have received significant public acclaim, including a novella inspired by Bears Without Borders and New York Times coverage of Lebônê's technology. Aviva can be reached at aviva.ajws@gmail.com.