Dr. Wayne Thomas and Dr. Virginia Collier
Dr. Wayne Thomas
and Dr. Virginia Collier

Dr. Wayne Thomas and Dr. Virginia Collier (Wayne & Ginger) have worked for 44 years as professors and collaborative researchers in the evolving field of dual language education.

Dr. José L. Medin
Dr. José L. Medin

Dr. Medina is a co-author of the third edition of the widely used Guiding Principles for Dual Language Education. He has also authored three bilingual children’s poetry books focused on his testimonio.

Magdalena Ruz Gonzalez
Magdalena Ruz Gonzalez

Magdalena Ruz Gonzalez has been in the field of education for more than 35 years, and recently retired from the Los Angeles County Office of Education (LACOE). Her work with bilingual children, English learners (ELs) struggling with literacy, and ELs with special needs has helped her identify key practices. 

Margarita Calderón
Margarita Calderón
Margarita Calderón, PhD, is professor emerita and senior research scientist at the Johns Hopkins University School of Education. She has conducted research, training, and curriculum development for teaching language, reading comprehension, and content knowledge to K-12 English learners.


Isabel Campoy
Isabel Campoy

Isabel Campoy es lingüista por la Universidad Complutense de Madrid. Investigadora Fulbright en La Universidad de California Los Angeles. Autora galardonada especializada en las áreas de educación, poesía y biografía.

Alma Flor Ada
Alma Flor Ada

Alma Flor Ada es profesora emerita de la Universidad de San Francisco. Investigadora Fulbright en el Radcliff Institute de la Universidad de Harvard. Autora galardonada de más de cien libros sobre la lengua y la cultura del mundo Hispánico.