John Heilemann is an American journalist, national affairs analyst, and author known for his extensive work in political reporting and analysis. He currently serves as the Chief Political Columnist at Puck, a role he has held since 2024. Since 2011, Heilemann has also been a National Affairs Analyst for NBC News and MSNBC.
He is the co-author of the acclaimed books Game Change (2010) and Double Down (2013), which chronicle U.S. presidential campaigns.