Republican presidential candidate Donald Trump speaks during a campaign rally, Thursday, Oct. 27, 2016, in Springfield, Ohio. Evan Vucci AP
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Trump has run his business and his campaign in a similar vein, with a small circle of influence: He dispatched 16 Republican presidential primary rivals with a smaller staff than most. Hillary Clinton and the Democratic Party have five times as many paid staffers as Trump and the Republicans.

“He’s quite the micro-manager and not someone who hands off things all that readily,” said author Gwenda Blair, whose book “Trumps: Three Generations that Built an Empire” was recently republished.

Blair notes that Trump often talks about how he trusts his own instincts and doesn’t need experts: “That was his modus operandi in business. Sometimes it worked, sometimes it didn’t.”

Trump supporters say Trump would be a “transformational” figure who would change how the presidency operated, running it much like his sprawling corporate empire rather than a traditional government.

“In many ways, he’d be like a chief executive officer,” said Rep. Peter King, a New York Republican who has attended campaign strategy sessions with the GOP presidential nominee. “He’ll set goals that he wants and appoint the best people to achieve them. Most CEOs I know aren’t going to get involved in the day-to-day minutiae.”

The brash and blunt personality may recede, supporters suggest, replaced with the Trump they see in closed-door meetings: engaged, thoughtful and eager to hear the opinions of others.

“He’s an executive who knows how to pick people to fix problems,” said Rep. Lou Barletta, R-Pa., one of the first House of Representatives members to endorse Trump. “Why aren’t our problems fixed? Politicians just talk about what’s wrong; they don’t do anything about it.”

Trump has already released a list of potential Supreme Court appointees to allay conservative fears, Barletta said, demonstrating “an ability to get people to go along.”

Barletta argues that Trump will gain popularity among his skeptics by erasing regulations and creating jobs and he said that if House and Senate leaders couldn’t work with Trump, “there will be somebody else in their place. You’re seeing a new beginning in government.”

William Douglas contributed to this article.

Lesley Clark: 202-383-6054, @lesleyclark