José MujicaJOSÉ MUJICA served as the president of Uruguay from 2010 to 2015. A former revolutionary and contemporary climate activist, he became known as "the world's poorest president" for living in a small home, driving an old car and giving way 90 percent of his presidential salary. José's modest lifestyle reflects his criticism of rampant consumerism, a theme of some of his most well-known speeches. Read More Read Less