Seth Rosenfeld is an American journalist. He is the author of Subversives: The FBI's War on Student Radicals, and Reagan's Rise to Power, published in hardback in 2012 by Farrar, Straus and Giroux, and in paperback in 2013 by Picador. Subversives was a New York Times best-seller and won the 2013 Ridenhour Prize for books; PEN Center USA's Literary Award for Research Nonfiction; the National Society of Professional Journalists' Sunshine Award; and the American Book Award from the Before Columbus Foundation.