Marina Walker Guevara is the Executive Editor at the Pulitzer Center. For the past fourteen years, Walker Guevara held leadership positions at the International Consortium of Investigative Journalists (ICIJ). She managed the two largest collaborations of reporters in journalism history: the Panama Papers and the Paradise Papers, which involved hundreds of journalists using technology to unravel stories of public interest from terabytes of leaked financial data. Her work as a journalist started in her native Argentina, and her stories have appeared in The Washington Post, Miami Herald, Mother Jones, Le Monde, the BBC, and more. She has won or shared more than fifty national and international awards, including the 2017 Pulitzer Prize for Explanatory Reporting. She was a John S. Knight fellow at Stanford University, and has received the Missouri Honor Medal for Distinguished Service from her alma mater, the Missouri School of Journalism. Walker Guevara sits on the board of directors of the Global Investigative Journalism Network (GIJN) and is a co-founder of the Latin American Center for Investigative Journalism (CLIP).