Christine Lenghaus is a secondary school maths teacher who has taught in government and private schools in both regional and metropolitan Victoria, Australia. She has presented at the annual Mathematical Association of Victoria conference year for ten years (2007-2017), MAV Gippsland Regional conference in 2016 and was invited to present at the Queensland Association of Mathematics Teachers in 2016. In April 2018 she presented at the BCME conference in the UK at Warwick University.