Ronald Alan Klain
is an American attorney, political consultant, and former lobbyist serving as White House chief of staff under President Joe Biden. A Democrat, he was previously chief of staff to two vice presidents, Al Gore from 1995 to 1999 and Biden from 2009 to 2011. He was also appointed by President Obama as White House Ebola Response Coordinator after the appearance of Ebola virus cases in the United States, serving from 2014 to 2015. Throughout 2020 he worked as a senior advisor to Biden's presidential campaign. Following his victory, Biden announced on November 12 that Klain would serve as White House chief of staff.