WaPo:

The episodes illustrate how Trump, who has a tiny circle of intimates, is turning to the wealthy business leaders he encounters on the fundraising circuit to serve as an ad hoc kitchen cabinet. He appointed many of his biggest financial backers to his economic advisory council, including Wisconsin billionaire Diane Hendricks, investor Tom Barrack and oil executive Harold Hamm. And there are already signs of how Trump is incorporating ideas from donors into his campaign.