Bio:

Professor John Hattie is a researcher in education. His research interests include performance indicators, models of measurement and evaluation of teaching and learning. John Hattie became known to a wider public with his two books Visible Learning and Visible Learning for teachers. Visible Learning is a synthesis of more than 800 meta-studies covering more than 80 million students.  According to John Hattie Visible Learning is the result of 15 years of research about what works best for learning in schools. TES once called him "possibly the world's most influential education academic".

John Hattie has been Director of the Melbourne Educational Research Institute at the University of Melbourne, Australia, since March 2011. Before, he was Project Director of asTTle and Professor of Education at the University of Auckland, New Zealand. He holds a PhD from the University of Toronto, Canada.

Bio:

Mike Witter is Senior Lecturer at Australian Catholic University.  He received his PhD through the Science of Learning Research Centre at Melbourne University.  His research focuses on quality teaching, its multidimensionality and its measurement, including the beliefs and characteristics of effective teachers and the intersection between evidence-based teaching, trauma-informed practice and teacher quality research.  He led the development of and is currently Head of Discipline for an employment-based, equity-driven teacher education program that integrates and applies research-based best practices for promoting quality teaching.