Walter D. Mignolo (born May 1, 1941) is an Argentine semiotician (School for Advanced Studies in the Social Sciences) and professor at Duke University, who has published extensively on semiotics and literary theory, and worked on different aspects of the modern and colonial world, exploring concepts such as decoloniality, global coloniality, the geopolitics of knowledge, transmodernity, border thinking, and pluriversality. He is one of the founders of the modernity/coloniality critical school of thought. Source: Wikipedia (en)