Ric will work in some of the hottest spots around the world, including Venezuela and North Korea,” Trump said on his Truth Social media platform on Saturday, without further describing the duties.

President-elect Donald Trump announced that he has decided to appoint Richard Grenell, his longtime foreign policy adviser, to serve as his envoy for “special missions.” Grenell served in several positions during Trump’s first administration and was under consideration for other roles for this term as well.

A combative loyalist and the president-elect’s former ambassador to Germany, Mr. Grenell had hoped to be secretary of state.