Guided Reading expert Irene Fountas is a professor at Lesley University in Cambridge, Massachusetts, and has extensive experience as a classroom teacher, language arts specialist, and consultant in school districts across the nation and abroad. Currently, she directs field-based literacy research projects and continues to publish resources for comprehensive literacy programs including guided reading resource guides that quickly become staples for guided reading education across the country.

With her coauthor Gay Su Pinnell, she has written Guided Reading: Good First Teaching for All Children; Guided Readers and Writers grades 3-6: Teaching Comprehension, Genre and Content Literacy; Word Matters: Teaching Phonics and Spelling in the Reading/Writing Classroom; and Phonics Lessons: Letters, Words and How They Work (for kindergarten, grade one, and grade two).

She is the recipient of the Greater Boston Council and the International Reading Association's Celebrate Literacy Award.