Ron Klain is set to become Joe Biden's chief of staff, according to reports, the first White House official named for the administration. Klain, a senior campaign adviser for Biden, is set to become the president-elect's first White House chief of staff, according to the Washington Post and New York Times. Klain was Biden's chief of staff when he was vice president and also served as chief of staff to vice president Al Gore. Ref. USAToday.