Ashun was principal of Philopateer Christian College in Toronto, Canada, and a professor in the Faculty of Education at
Redeemer University College in Canada. In 2014, Ashun was awarded a Klingenstein School Heads Fellowship at the
Teacher's College, Columbia University. Also in 2019, she was elected as a board member of the
Association of International Schools in Africa. In May 2011, Ashun was awarded a $200,000
Canadian International Development Agency (CIDA) grant from
Redeemer University to work on literacy development and Business growth in
Asamankese, Ghana. Together with a team of students and adult volunteers, the literacy program for women grew into a primary school for children in the village of Asamankese. The school has since graduated its first group of Yr 6 students into Middle School at His Majesty's Christian School in Asamankese. It is a quality low-cost education option for parents in the Asamankese area. In January 2013, she organised
TEDxSixteenMileCreek under the topic "RE-Imagine" Her research work has been published in both academic and non-academic journals, exploring subjects such as how adults learn mathematics and her experience of being a black faculty member in a predominantly white teaching environment. == Writing career ==