John Martin was born in the Netherlands, migrating to Australia as a teenager. Whilst trained as a teacher, he pursued a career in the media, first becoming involved as a coordinator of a Sydney Video Access centre in 1975. He went on to be Station Manager of 2MCE-FM in Bathurst, Assistant Manager at SBS Radio 2EA and then Station Manager at 2SER-FM in Sydney. From 1990 to 2019 John was General Manager of Television Oceania, a specialist satellite Pay-TV operator.
John is a former President of the Community Broadcasting Association of Australia (CBAA) and of the Community Broadcasting Foundation (CBF).
Recently retired, John is researching the history of community broadcasting in Australia.