David Greenwood is the Head of Mathematics at Trinity Grammar School in Melbourne and has 30+ years teaching mathematics from Year 7 to 12. He is the lead author for the Cambridge Essential series and has authored more than 80 titles for the Australian Curriculum and for the syllabuses of the states and territories. He specialises in analysing curriculum and the sequencing of course content for school mathematics courses. He also has an interest in the use of technology for the teaching of mathematics.

Jennifer Vaughan has taught secondary mathematics for over 30 years in New South Wales, Western Australia, Queensland and New Zealand and has tutored and lectured in mathematics at Queensland University of Technology. She is passionate about providing students of all ability levels with opportunities to understand and to have success in using mathematics. She has extensive experience in developing resources that make mathematical concepts more accessible, to develop student confidence, achievement and an enjoyment of maths.

Bryn Humberstone graduated from the University of Melbourne with an Honours degree in Pure Mathematics, and has 20+ years' experience teaching secondary school mathematics. He has been a Head of Mathematics since 2014 at two independent schools in Victoria. Bryn is passionate about applying the science of learning to teaching and curriculum design, to maximise the chances of student success.

Jenny Goodman has taught in schools for over 28 years and is currently teaching at a selective high school in Sydney. Jenny has an interest in the importance of literacy in mathematics education, and in teaching students of differing ability levels. She was awarded the Jones Medal for education at Sydney University and the Bourke Prize for Mathematics. She has written for CambridgeMATHS NSW and was involved in the Spectrum and Spectrum Gold series.

Stuart Palmer is a fully qualified high school mathematics teacher with more than 25 years’ experience teaching students from all walks of life in a variety of schools. He has been Head of Mathematics in two schools. He is very well known by teachers throughout the state for the professional learning workshops he delivers. Stuart also assists thousands of Year 12 students every year as they prepare for their HSC Examinations. At the University of Sydney, Stuart spent more than a decade running tutorials for pre-service mathematics teachers.

Karen McDaid has more that 17 years’ experience teaching mathematics in several primary and secondary schools, and as a lecturer teaching mathematics to primary preservice teachers at Western Sydney University. Karen was the Professional Teachers Association representative on the NSW Board Curriculum Committee during the development and consultation phases of both the Australian Curriculum and the NSW Mathematics K-10 Syllabus for the Australian Curriculum. She has been active on the executive committee of the Mathematical Association of NSW since 2003 and was the NSW Councillor on the board of the Australian Association of Mathematics Teachers from 2014 to 2018. Karen co-authored the CambridgeMATHS NSW GOLD books Years 7 to 10. Karen is currently Head of Mathematics K to 12 at Cluey Learning.