Sara Woolley was born and educated in Tasmania. She completed an Honours degree in mathematics at the University of Tasmania before completing her education training at the University of Melbourne.

She has taught mathematics in Victoria from Years 7 to 12 since 2006 and has a keen interest in the creation of resources that cater for a wide range of ability levels.

David Greenwood is Head of Mathematics at Trinity Grammar School in Melbourne and has more than 20 years experience teaching maths from Years 7 to 12.

He has run numerous workshops within Australia and overseas regarding the implementation of the Australian Curriculum and the use of technology for the teaching of mathematics.

He has written more than 20 mathematics titles and has a particular interest in the sequencing of curriculum content and working with the Australian Curriculum proficiency strands.

Dr Jenny Goodman is a medical doctor, broadcaster and lecturer. After qualifying and working in general medicine, she did a post-graduate training in nutritional and environmental medicine that radically transformed her approach to helping patients.

Jenny has been practising nutritional and environmental medicine for over twenty years, using her knowledge of human nutrition and biochemistry to investigate and treat the many and varied problems that people bring to her. Jenny is passionate about making medical and nutritional knowledge accessible to the general public and is a popular and much sought-after lecturer.

She has also been a guest on numerous TV and radio shows.