John Arthur Heilemann is an American journalist for New York magazine, where he mainly covers US politics. Previously, he was a staff writer for The New Yorker, Wired and The Economist. He is the co-author of the No. 1 New York Times bestseller Game Change Obama and the Clintons McCain and Palin and the Race of a Lifetime, about the 2008 US presidential campaign. Heilemann is also a political analyst for MSNBC.