RTÉ has announced that Richard Downes has been appointed to the role of Washington Correspondent.
In a statement, RTÉ says the appointment has been made for a two-year period.
Before coming to RTÉ, the Morning Ireland presenter worked for the Press Association, Reuters, the Financial Times and the BBC.
He has reported from the US previously after the events of 11 September 2001 and two years later he covered the Iraq war.
The statement says he will take up the post in Washington shortly.