Ron Klain

Ronald A. Klain (born August 8, 1961) is an American politician and lawyer. He is a member of the Democratic Party. He was the 30th White House Chief of Staff from January 20, 2021 until February 8, 2023 in the Joe Biden administration. 
He was the chief of staff to two U.S. vice presidents: Al Gore (1995–1999) and Joe Biden (2009–2011).
In early 2020, Klain joined Biden's presidential campaign as a senior advisor. 
On November 11, 2020 it was announced he would be the White House Chief of Staff for President Joe Biden.
In January 2023, Klain announced his plans to resign as chief of staff in the weeks after President Biden's State of the Union Address in February.