Director of the White House's National Economics Council in the Barack Obama administration.
Professor at Harvard University's Kennedy School of Government.
Ex-Secretary of the Treasury for the last year and a half of the Bill Clinton administration.
Served as the 27th President of Harvard University from 2001 to 2006.
Son of two economists, Robert Summers and Anita Summers, who are both professors at the University of Pennsylvania, as well as the nephew of two Nobel laureates in economics: Paul Samuelson (Robert's brother) and Kenneth Arrow (Anita's brother).
He spent most of his childhood in Penn Valley, Pennsylvania, a suburb of Philadelphia, where he attended Harriton High School.