Sarah Cohen is the Knight Professor of the Practice of Journalism and Public Policy at Duke University and founder of the Reporters' Lab, a project to curate, create and adapt tools for investigative reporting. She is an acknowledged expert on computer-assisted investigative journalism. She spend most of her 15-year reporting career on investigative projects teams at The Washington Post, where she shared in the Pulitzer Prize for Investigative Reporting in 2002 for the series The District's Lost Children, which uncovered failures by child welfare agencies that contributed to dozens of children's deaths. In 2007, she was a finalist for the Pulitzer Prize in Public Service for her role in Harvesting Cash, a series of more than 20 articles that spotlighted abuses of the U.S. farm subsidy system. She also shared the 2009 Goldsmith Award for Investigative Reporting for a series about landlords driving tenants out of rent-controlled housing and then redeveloping the properties.