Afro-descendant intellectual activist of Puerto Rican origin, PhD in historical sociology and currently works as a professor of sociology at the University of Massachusetts, where he is also a researcher at the Center for Latin American and Caribbean Studies and professor of the doctorate in Afro-American Studies. He has published several books and a large number of articles on topics such as Globalization, Social Movements, Urban Issues, Ethnic-Racial Identities and Racism, Caribbean and Afrodiasporic Critical Thought and Decolonial Theory. African Studies and Intercultural Education.