The winning IMPCT team poses with former President Bill Clinton and (at far right) Philip Hult, co-chairman, EF Education First. The team members (from left) are Andres Escobar, Juan Diego Prudot, Taylor Scobbie and An-Nung Chen Jonathan Fickies/AP Images for Hult Prize Foundation hide caption

toggle caption Jonathan Fickies/AP Images for Hult Prize Foundation