Julie Duffield joined WestEd in 1990. She is a Senior Research Associate in WestEd's Comprehensive School Assistance Program (CSAP). Currently, her primary responsibility is managing webinars for WestEd's award winning school improvement website, SchoolsMovingUp. Duffield also works on school improvement issues and has been a member of school improvement teams.

Duffield has more than 25 years of experience both within and outside of the classroom, including working with diverse learners. Starting in the early 1980's, Duffield provided technical assistance to educators on Language Arts for English Language Learners in remote rural communities, using technology to support professional development.

Duffield has been an early adopter of using communications technologies, such as web-based conferencing, to support dissemination engagement and communities of practice. She has worked on state and federal initiatives to apply technology to support student learning. As a member of Distance Learning Resource Network, Duffield was an early adopter of online learning including using technology in teacher professional development.

Duffield also managed the Access and Equity strand of the Regional Technology in Educational Consortium (RTEC) where she highlighted best practices of differentiated instruction and technology to support diverse learners in reading and writing skills. As part of this work, she developed the Using Technology to Support Diverse Learners web site. More recently she has blogged about diverse learners access issues as part of The Infinite Thinking Machine, which is designed to help teachers and students thrive in the 21st century.

Duffield received a BA in psychology from the University of Queensland, Brisbane, Australia, a teaching diploma from Kedron College, Brisbane, Australia, and a technology in education certificate from the University of California, Santa Cruz.