[1][2] Around the 2000 election controversy, Exley used a website to allow citizens to self-organize more than 100 protests around the United States.

[8] Politico reported in August 2015 that Exley had joined the 2016 Bernie Sanders presidential campaign as a senior advisor responsible for digital communications.

[13] In response to GWBush.com, then-candidate George W. Bush called Exley a "garbage man" and said he believed the website should be forced to shut down, explaining (in a bushism) "There ought to be limits to freedom.

"[14][15] Exley previously managed Revolution in Jesusland, a blog that sought to create dialog between the secular left and groups within Evangelical Christianity that promote economic and social justice as a matter of faith.

[16] After the 2016 United States presidential election, Exley, Saikat Chakrabarti, a former fellow Bernie Sanders presidential campaign executive, Kyle Kulinski of Secular Talk and Cenk Uygur of The Young Turks created the Justice Democrats to reform the Democratic Party and challenge President Donald Trump.