Leonardo is a data visualization reporter within the Graphics team at Bloomberg News. He uses data, code, and visual storytelling to report on issues of social and global importance. Prior to becoming a journalist, Leonardo was an Affiliate Researcher at both the MIT Senseable City Lab and Delft University of Technology's Computational Urban Science and Policy Lab (CUSP). While at CUSP he developed CityAccessMap, an open source interactive web-application intended to aid urban accessibility planning worldwide. He has also worked as a freelance data journalist with the award winning newsroom, The Pudding, where he investigated women's representation in news headlines. Leonardo is a big fan of open source data, data journalism, and all things Svelte.