Greg Ashman Deputy Principal at Ballarat Clarendon College, Victoria. He is an honorary fellow at the Australian Centre for the Advancement of Literacy, Australian Catholic University and a part-time Professor at Academica University of Applied Sciences, Amsterdam. Greg is a prolific writer and has written three books: The Truth About Teaching: An Evidence-informed Guide for New Teachers, The Power of Explicit Teaching and Direct Instruction, and A Little Guide for Teachers: Cognitive Load Theory. He also produces a newsletter at fillingthepail.substack.com. Prior to moving to Australia, Greg worked at three government schools in London as a teacher, Head of Science and Deputy Principal.