Joe Biden has appointed his long-time advisor and aide, Ron Klein, to the position of White House chief of staff.
The outgoing Republican President Donald Trump still refuses to acknowledge his defeat in the elections that took place on November 3, 2020, which Biden won, according to the estimates of most of the country's major media outlets.
This is the first appointment made by the US Democratic President-elect, Joe Biden.
Ron Klein, 59, was Biden's chief of staff when he was Vice President Barack Obama.
The two men worked together while Biden was chairman of the Senate Justice Committee, and Klein was chief staff of former Democratic Vice President Al Gore.
Under Obama, Ron Klein was especially responsible for coordinating the White House administration of the 2014 Ebola crisis.