Martin has spent most of his career with the Royal School of Church Music where he was known principally as a choir trainer specialising in the training and motivation of young singers. In this capacity he initiated and developed the RSCM Chorister Training Scheme which has since been used in various forms in many parts of the world. He also inaugurated the RSCM Southern Cathedral Singers, a group which has broadcast frequently on BBC Radio's Choral Evensong from Canterbury Cathedral and elsewhere. Awarded the MBE for 'Services to Church Music' in the 1993 New Years Honours List. Since his retirement from the RSCM he has returned to organ playing as an honorary member of the music staff at Croydon Minster.