Klaas Bootsma was head teacher at Ambarvale High School in Campbelltown. He was a senior HSC examiner and has worked on the HSC Advice Line. Klaas has wide experience teaching and tutoring all types of students. He also co-wrote New Century Maths 11-12 Mathematics Standard 2.

David Badger was principal of Toongabbie Christian School and continues to teach at Wollondilly Anglican College. He has been involved in HSC marking and has worked on the HSC Advice Line.

Sarah Hamper is head teacher at Cheltenham Girls High School and has taught at Abbotsleigh School in Wahroonga. She has an interest in gifted and talented (GAT) students, girls education and using technology in mathematics learning. She also co-wrote New Century Maths 11-12 Mathematics Standard 2.

Series editor Robert Yen taught at Hurlstone Agricultural High School. He co-wrote New Century Maths 11-12 Mathematics Standard 2, and now works for Cengage as a mathematics publisher.

Ilhea Yen is head teacher of mathematics at Canterbury Girls High School. She also co-wrote resources for New Century Maths 9-10.