Peter Jones appeared in every series of the UK show Dragon's Den from its 2005 launch.
Jones is a British entrepreneur and investor who became one of the programme's best-known dragons. He was part of the original panel and remained with the series across changes to the other investors. His continued presence made him the programme's longest-serving dragon.
The distinction matters because several famous investors were associated with the early years but later departed. Duncan Bannatyne, Theo Paphitis and James Caan all left the regular panel at different points, while newer dragons joined in subsequent series.
Jones has business interests spanning technology, media, retail and property. On the programme, he is often recognised for scrutinising sales figures, margins and growth potential. His long tenure is a stable fact about the British series, rather than a claim about every international version of the format.