Sophie Chou is a data reporter at ProPublica. She uses statistics and data science to investigate stories. Before coming to ProPublica, she was a data journalist at Public Radio International, and a Google News fellow at the Pew Research Center, where she was a primary researcher on a report that used Google search data to measure the impact of media coverage of the Flint water crisis. Sophie earned her master’s degree at the Massachusetts Institute of Technology, where she researched how political news spread on Twitter during the 2016 elections, and completed an undergraduate degree in computer science at Columbia University.