Previously he worked at Atlantic Magazine and the National Journal and as Washington bureau chief at the Associated Press (AP) until leaving in June 2010.
In 2006, he took a position as editor-in-chief of a new Internet website called Hotsoup.com, which aimed to foster discussion on a number of topics including politics.
The site failed to catch on, however, and Fournier returned to the AP in March 2007 as its Online Political Editor, after considering “a senior advisory role” with Republican Senator John McCain's presidential campaign.
[12] He won the Society of Professional Journalists' 2000 Sigma Delta Chi Award for coverage of the 2000 United States presidential election.
[18] Fournier received some criticism from commentator Glenn Greenwald for behaving in a "petulant" manner and for his policy on anonymity for sources.
[19] In 2016, Fournier was duped into interacting with fictional journalist Carl Diggler on Twitter,[20] a character written by Felix Biederman and Virgil Texas of Chapo Trap House for CAFE to satirize "all that is vacuous, elitist and ridiculous about the media class.