The White House has narrowed down its search for the next United Nations ambassador to four names, according to Bloomberg.

Potential nominees include Dina Powell, a partner at Goldman Sachs; Kelly Craft and Richard Grenell, the current ambassadors to Canada and Germany, respectively; and John James, a former GOP Senate candidate from Michigan, sources told the news service.

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The new list of candidates come after State Department spokeswoman Heather Nauert withdrew her nomination for the post over the weekend. Nauert, who was reportedly favored by President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE, was to replace former Ambassador Nikki Haley Nimrata (Nikki) Haley'The soul' versus 'law and order' Author Ryan Girdusky: RNC worked best when highlighting 'regular people' as opposed to 'standard Republicans' GOP lobbyists pleasantly surprised by Republican convention MORE in the job. Her decision to withdraw followed reports that she once employed a nanny who wasn’t authorized to work in the U.S.

Both Powell and Craft are well-connected within the Trump administration. Powell previously served as Trump’s deputy national security adviser, while Craft is married to billionaire Joe Craft, a Republican fundraiser and coal executive.

James, who ran for a Michigan Senate seat but fell short in his attempt to unseat Democrat Sen. Debbie Stabenow Deborah (Debbie) Ann StabenowOVERNIGHT ENERGY: Trump rollbacks could add 1.8 billion tons of greenhouse gas emissions over 15 years: analysis | Intensifying natural disasters do little to move needle on climate efforts | Experts warn wildfire smoke could worsen COVID-19 GAO report finds brokers offered false info on coverage for pre-existing conditions Democrats back away from quick reversal of Trump tax cuts MORE, is also well-liked within administration's circles and has been considered for other jobs, according to Bloomberg.

Trump’s elder daughter Ivanka Trump Ivana (Ivanka) Marie TrumpSpecial counsel investigating DeVos for potential Hatch Act violation: report Trump, Biden vie for Minnesota Trump luxury properties have charged US government .1M since inauguration: report MORE is another name that has been floated as a potential candidate for the position. Sources told Bloomberg that she is still being considered as a backup candidate if no front-runner emerges.