Dr. Mattix teaches courses in international education and the International Baccalaureate. She is also the current co-editor of Focus on Elementary for the Association of Childhood Education International (ACEI). Dr. Mattix received her PhD in Language, Literacy and Culture from the University of Pittsburgh, her MAT in Elementary Education and Secondary Social Studies Education from Chatham University, her MA in International Affairs from the University of Pittsburgh, and her BA in History and Political Science from Saint Francis University. Professionally, Dr. Mattix taught middle and elementary school at The Ellis School in Pittsburgh, PA, Golden Door Charter School in Jersey City, NJ, The Anglo American School of Moscow, Russia, and The International School of Amsterdam, The Netherlands.