Jan 23, 1966 (60 years old)Los Angeles, California, USA9 credits
John Arthur Heilemann is an American journalist and national-affairs analyst for NBC News and MSNBC. With Mark Halperin, he co-authored Double Down and Game Change, books about presidential campaigning.John Arthur Heilemann is an American journalist and national-affairs analyst for NBC News and MSNBC. With Mark Halperin, he co-authored Double Down and Game Change, books about presidential campaigning. Heilemann has formerly been a staff writer for New York, Wired, and The Economist.Show moreShow less