Briggs's voiceover credits include appearing as the voiceover statistician in over 1,800 episodes of the BBC TV quiz show The Weakest Link (2000–2012) and as continuity announcer for BBC Radio 2 (1996–2009) and Channel 4 (1988–1990). Briggs was the first presenter on air when QVC launched in the UK in 1993. Briggs also provided the narration for the start of the drum and bass song "Blood Sugar" by Pendulum.
Briggs's radio credits include the breakfast show Oxford AM for BBC Radio Oxford (1985–1987), the breakfast show Morning Edition for BBC Radio 5 (1990–1992), Nightride for BBC Radio 2 and The Weekend Wireless Show for LBC (1998–2003). His reporting credits include BBC Radio 4's PM, Today, The World at One and The World Tonight, as well as travelogue and transport programmes Breakaway and Going Places.
Briggs now works as a conference moderator and facilitator and owns the London-based artists' agency Excellent Talent Ltd.
In 2007 Briggs recorded his voice for text-to-speech software developed by ScanSoft, later acquired by Nuance Communications. In 2011, Nuance's software was used by Apple Inc. for their British version of Siri, the personal assistant application for Apple devices. Briggs's voice is renamed "Daniel" for these purposes.
- www.jonbriggs.com — Jon Briggs's website.
- www.imdb.com/name/nm0109051/ - IMDB details
- https://www.youtube.com/watch?v=fJLxEvL6eCo — BBC Radio 2 Voice Party Video from The Jeremy Vine Show
- https://www.youtube.com/watch?v=TnNOyiWqZRc - BBC Technology "Meet the real Siri, and other iconic voices of technology"