Andrés Manuel López Obrador (born November 13, 1952) is a Mexican politician who held the position of Head of Government of the Federal District (roughly, Mayor of Mexico City) from 2000 to 2005, before resigning in July 2005 to contend the 2006 presidential election, representing the Coalition for the Good of All, a PRD-led coalition that also includes the Convergence party and the Labor Party.