Carole Jane Cadwalladr is a British author and investigative journalist known for her work exposing the Facebook–Cambridge Analytica data scandal and its ties to political campaigns, including Brexit and the 2016 U.S. presidential election. She gained international recognition for her pivotal role in exposing the scandal, revealing how personal data was harvested and used for political campaigning. Her investigative work on this topic led to her being a finalist for the 2019 Pulitzer Prize for National Reporting, alongside reporters from The New York Times. Prior to her work on the Cambridge Analytica scandal, Cadwalladr was a features writer for The Observer and previously worked at The Daily Telegraph. Her career has focused on in-depth reporting and analysis, often delving into complex issues of technology, data privacy, and their intersection with democratic processes.