Andy Greenwald (born May 19, 1977) is an American author, critic, podcaster, screenwriter, and television producer. From 2011 to 2015, he was a staff writer and principal TV writer for Bill Simmons' ESPN website Grantland. Beginning in 2016, Greenwald worked as a screenwriter on the superhero TV show Legion. In 2018, Greenwald and Sam Esmail had their adaptation of the book Briarpatch ordered to series on USA Network. Greenwald is both a writer and executive producer on the show, which stars Rosario Dawson.