Wiles ran Trump’s 2016 and 2020 campaigns in Florida, helping to put the Sunshine State in his victory column both times. She also helped to score improbable statewide victories for two other Florida Republicans — U.S. Sen. Rick Scott and Gov. Ron DeSantis, though her relationship with DeSantis eventually soured.

After helping engineer Donald Trump’s improbable and sweeping victory in the presidential race, Susie Wiles, the president-elect’s unassuming co-campaign chief, is seen as the frontrunner to become his White House chief of staff, according to six sources familiar with discussions inside the campaign.