Mr. Miller assumed greater influence over the transition just as Mr. Trump announced late Sunday on social media that Thomas Homan, the acting director of the Immigration and Customs Enforcement agency during Mr. Trump’s first term, would be his ...

It remains to be seen how broad Mr. Miller’s portfolio will be, but it is expected to be vast and to far exceed what the eventual title will convey,” the publication reported. Sources also anticipate Miller will work closely with Thomas D.

While Trump has yet to officially name Miller, sources familiar with the plans told CNN the announcement would be made in the next few days.