Jason Miller (born c. 1975) is an American communications strategist, political adviser and CEO, best known as the chief spokesman for the Donald Trump 2016 presidential campaign and transition of Donald Trump. He was a Senior Adviser to the Trump 2020 re-election campaign. From 2010 through 2016, Miller was a partner and executive vice-president at Jamestown Associates. He was initially announced as the incoming White House Communications Director during the presidential transition, though he withdrew shortly after amidst news of an extramarital relationship with a staffer who joined the 2016 campaign two months before the election.