Stephen Bannon at the premiere of "Sweetwater" during the 2013 Sundance Film Festival in Park City, Utah. Danny Moloshok/Invision/AP Breitbart News chairman Steve Bannon and GOP strategist Kellyanne Conway are now running Republican presidential nominee Donald Trump's campaign.

Bannon is the newly installed campaign CEO, while Conway, who first joined Trump's team in July, has been promoted to campaign manager.

"I have known Steve and Kellyanne both for many years. They are extremely capable, highly qualified people who love to win and know how to win," Trump said in a statement Wednesday morning.

"I believe we're adding some of the best talents in politics, with the experience and expertise needed to defeat Hillary Clinton in November and continue to share my message and vision to Make America Great Again."

Since wrestling control from Corey Lewandowski, the former Trump campaign manager, earlier this year, seasoned campaign veteran Paul Manafort has in essence been overseeing the campaign operations, serving as the campaign chair. But Wednesday's shakeup most likely leaves Manafort with waning influence as Trump has soured on the chair's attempts to keep him on message.

Leading up to the shake-up, reports also swirled that Manafort had given up attempting to rein in Trump's proclivity for off-the-cuff controversial comments.

A former investment banker and adviser to former Gov. Sarah Palin of Alaska, Bannon is widely known for helping to craft Bretibart's vision as a pro-Trump outlet opposed to the GOP establishment and unafraid to run stories with a conspiratorial bent. Under Bannon, Breitbart has also led the anti-immigration charge that Trump has embraced wholeheartedly in his campaign.



Kellyanne Conway at the Freedom Summit in 2015 in Greenville, South Carolina. AP Photo/Rainier Ehrhardt

Trump's poll numbers have significantly trailed Democratic rival Hillary Clinton's in recent weeks, both in national polling and in key battleground states.

In a series of tweets, The Washington Posts' Robert Costa outlined the impact Bannon could have on Trump's campaign: