Simon has given master classes throughout the UK and on behalf of the British Trombone Society. The content of his classes range from basic technique and solo repertoire to orchestral performance, and are available for students of all ages and abilities. His classes are adaptable and there is also an opportunity for them to feature solo performances and collaborations.

He has previously given classes on behalf of Foden's Band, Bolton Music Service and The British Trombone Society, aimed at inspiring the next generation of young trombone players. 

Simon is available for individual classes and also large group work.

In 2016, Simon was a member of the Dutch Bass Trombone Open faculty, allongside Ben van Dijk, Massimo Pirone and James Markey. Including solo performances and lectures over a weekend in a little town south of Amsterdam.