[6] He later cited changes to the BBC's music policy and neglect of older audiences as drivers for his decision to leave the corporation, feeling he "probably wouldn't be doing (his) best work" there.
[10] Other voiceover credits include BBC1 and BBC2 television, BBC Radio 1, Kerrang!, Vue Cinemas and Brilliant TV.
[11] He presents The Bus Inspectors podcast, an audio series following a project to grade the nation's historic vehicles and tell their stories.
[13] Sheppard's addiction to coffee was documented in a BBC2 television documentary The Truth About Food, in which he and former Tomorrow's World presenter Maggie Philbin were tested for the effects of caffeine deprivation.
[15] Sheppard owns several vintage vehicles[16] including a coach which he has restored himself, and is a trustee and director of the Thames Valley & Great Western Omnibus Trust.