Who’s Who in Trump’s New Silicon Valley Entourage

President-elect Donald Trump is handing out high-profile positions to some of the key Silicon Valley players who helped get him elected. At the top of the list, of course, is Elon Musk, with his starring role on the transition team. But there’s a larger coterie of tech world Trump supporters who are now working with the incoming administration, with varying degrees of formality.

The roles range from purely advisory to traditional appointments. For example, Musk’s “Department of Government Efficiency,” or DOGE, is an advisory group, not an actual US department. The investor Marc Andreessen is advising Trump, but is keeping his day job. And ...