Diane Haager, professor of special education and counseling at California State University Los Angeles, is a researcher and teacher educator in reading and learning disabilities.

Janette K. Klingner is a professor in bilingual special education at the University of Colorado, Boulder. Haager and Klingner are co-authors of numerous books including Differentiating Instruction in Inclusive Classrooms: The Special Educator's Guide.

Terese C. Aceves is associate professor of special education at Loyola Marymount University in Los Angeles. She is co-editor of Education for All from Jossey-Bass, 2008.