Peter Tierney-Fife is a STEM education expert, experienced instructional designer, and specialist in professional development design and delivery. For over 19 years, he has co-led and advanced EDC initiatives focused on professional learning materials development, blended learning, program implementation, technology integration, evaluation of professional learning, school improvement, instrument and survey design, and qualitative research.

Peter’s work focuses on educator professional learning, U.S. rural STEAM education, and strengthening mathematics instruction to improve student outcomes. With colleagues, he has advanced knowledge of effective strategies to help teachers increase the mathematics proficiency of students who are multilingual learners. He designs learning experiences, conducts program evaluation and research, authors online apps, and contributes to reports, blogs, and research articles. His recent blog posts have focused on examining student work to strengthen instruction, STEAM education, and planning support for English learning in mathematics class.

Peter is a Math for All coach and works on mathematics professional learning projects for the Regional Educational Laboratory Northeast and Islands and the Regional Educational Laboratory Midwest. He works to increase access to integrated computer science education through the STEM Workforce Ready 2030 research-practice partnership. He co-developed and tested EDC’s Visual Access to Mathematics (VAM) professional development program and is currently a VAM instructor. Earlier in his career, he taught Grades 7–9 mathematics in Maine and in Italy.

Peter holds an MSEd in Education from the University of Southern Maine.