John Hattie is Emeritus Laureate Professor at the Graduate School of Education, University of Melbourne, Australia. He is one of the world's best known and most widely read education experts and his Visible Learning series of books have been translated into 29 different languages and have sold over 1 million copies.

Kyle Hattie is a Year 6 Teacher working in a primary school in the northern suburbs of Melbourne, Australia. Over his 10-year career, he has taught at many year levels, from Prep to Year 6 in both Australia and New Zealand. Kyle has held various leadership titles and has a passion for understanding how students become learners.