Kelsey Kudak is a  journalist whose work has appeared in The New York Times, New York Magazine, and an assortment of other publications. She has fact checked New York Times Best Sellers, including She Said, Bottle of Lies, and The Sum of Us, as well as the winner of the 2019 Pulitzer Prize in Nonfiction, Amity and Prosperity. Most recently, her fact-checking work with Hannah Dreier contributed to a 2024 Pulitzer win in Investigative Reporting and a National Magazine Award. She also checks podcasts, including part of season four of Serial, and has worked regularly as a research editor for The New York Times Magazine. Kelsey holds an M.A. in Narrative Journalism from New York University.