Sonia Nieto is Professor Emerita of Language, Literacy, and Culture, School of Education, University of Massachusetts, Amherst. Starting as a teacher at P.S. 25 in the Bronx (the first fully bilingual school in the Northeast) Nieto has taught students at all levels from elementary grades through graduate school, and she continues to speak and write on multicultural education, teacher preparation, and the education of Latinos and other culturally and linguistically diverse student populations. Her book Affirming Diversity: The Sociopolitical Context of Multicultural Education, is widely used in teacher preparation and inservice courses throughout the nation. Other books include The Light in Their Eyes: Creating Multicultural Learning Communities, and What Keeps Teachers Going?, as well as three edited volumes: Puerto Rican Students in U.S. Schools, Why We Teach, and Dear Paulo: Letters From Those Who Dare Teach. She serves as trustee or advisor on several regional and national boards that focus on educational equity and social justice, including the Center for Applied Linguistics, Facing History and Ourselves and Educators for Social Responsibility.