James Burnett is the Founder and CEO of ORIGO Education. He started the company because he is passionate about education and is continually striving to improve the way mathematics is taught. Over the past two decades, he has authored and co-authored more than 300 mathematics resources for teachers and students aged 5 to 12 and regularly speaks to audiences across Australia and North America. James aims to lift the profile of mathematics through dynamic professional learning and the development of quality print and innovative digital resources for the classroom. These achievements were recently recognized by winning the Ernst & Young Entrepreneur of the Year Award in his home country of Australia.

Calvin Irons has been involved in mathematics education for over 50 years. He started his career as a specialist teacher of mathematics in Iowa after completing his BA, and MA at the University of Northern Iowa in 1967. Dr. Irons received his PhD from Indiana University in 1975 (the dissertation topic was the teaching of division). In 1975, he accepted a position at the Queensland University of Technology, Brisbane, Australia where he has been involved in the teaching and the development of mathematics curricula for primary schools. He has received outstanding achievement awards from the university for his work and in year 2014 was the student’s nominee for University Outstanding Teacher of the Year from a university faculty of over 3000 professors. He is the author/co-author of over 600 books or articles including the award winning Stepping Stones F-6 mathematics curriculum, published by ORIGO Education.

Rosemary Irons is a consultant and curriculum developer for mathematics education specialising in early childhood. Rosemary conducts seminars for teachers and presents at mathematics education conferences around the world.

Peter has been researching and writing for ORIGO Education since late 2009. He has contributed to the development of both national and international mathematics programs and authored several ORIGO Big Books.