Name: John Heilemann
Birthday: 23 January 1966
Deathday: null
Place of Birth: Los Angeles, California, USA
Known For: Acting
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.