John David Podesta Jr. is an American political consultant who has served as senior advisor to the president for clean energy innovation and implementation since September 2022. Podesta previously served as White House chief of staff to President Bill Clinton from 1998 to 2001 and counselor to President Barack Obama from 2014 to 2015. Before that, he served in the Clinton administration as White House staff secretary from 1993 to 1995 and White House deputy chief of staff for operations from 1997 to 1998.