Timothy M. O'Leary, Ph.D., is a Managing Director of Educational Data Talks, an Honorary Fellow at The University of Melbourne, a father of three, and a self-professed data nerd. As an educator, Tim has worked in government, independent and faith-based schools and his school roles have ranged from classroom teacher to school leader; his most recent role was Director of Learning. Tim has published in the areas of data interpretation and analysis, effective score reporting and collective teacher efficacy.