Nathan worked in the Faculty of Education at Monash University in Australia as a Senior Lecturer in Curriculum and Pedagogy. He previously taught in the USA at the primary, middle, and tertiary levels, including five years at James Madison University in Virginia. He taught undergraduate and graduate courses in multicultural education, primary level curriculum, and research methods, while supervising Masters and PhD students in teacher education. His research is focused on understanding problems of authority in teaching and teacher education, particularly concerning educators’ efforts to embody democratic principles and exude respect/value for a broad spectrum of diversity in school and university contexts. His work on negotiated assessment, jointly constructed curriculum, collaborative dialogue, and the pedagogical development of teachers and teacher educators has been published in such journals as Teaching and Teacher Education, Teacher Education Quarterly, Studying Teacher Education, Teachers and Teaching, and Teaching Education. Nathan was a member of four international advisory boards, including Teaching and Teacher Education and Studying Teacher Education, and was a member of the Self-Study of Teacher Education Practices special interest group (SSTEP) of the American Educational Research Association (AERA).