John was a BBC TV (voice-only) network announcer (1966 – 1968), covering BBC One and BBC Two.
Other roles:
- Network presentation director and assistant presentation editor (1968 – 1973);
- Head of BBC foreign recordings, Radioplay (1973 – 1976);
- Head of BBC Video (1978 – 1984);
- Chief executive of Coventry Cable TV (1984 – 1987);
- Henley College (1988);
- CEO Satellite Media Services (Capital Radio) (1987 – 1993);
- Assigned to Peace Initiative in Bosnia (1993 – 2000) – specialising in pirate radio and TV.