Nathan graduated in 2012 as a chemistry graduate and worked as a self-employed GCSE and A level chemistry tutor for a year until starting his PGCE in 2013. Since qualifying as a teacher, Nathan has taught at both Cardiff High School and The Bishop of Llandaff CiW High School. During this time, Nathan has taken on several roles within and outside of school such as - student teacher mentor, Head of Year, and his current role as KS4 Science coordinator. Outside of school, Nathan has worked on the TAMs project with Cardiff Metropolitan University and the Welsh Government. The TAMs were created to support the new generation of GCSE Science specifications for formative assessment used by teachers. In addition to this, Nathan works as a GCSE Chemistry examiner for WJEC.