Peter Jones became Dragon's Den's longest-serving original Dragon.
Jones was part of the investor panel when the British series launched in 2005 and continued as a Dragon through the programme's subsequent series. His long tenure made him a constant presence while other investors joined, left or returned at different points.
He is a British entrepreneur whose business interests have included telecommunications, technology, leisure and media. On the programme, Jones is particularly associated with evaluating scalable companies and negotiating equity stakes, though his on-screen decisions have covered many different sectors.
This question concerns service on the British version, not the investor with the greatest personal wealth or the highest number of successful investments. Several other Dragons have had prominent long runs, but Jones is the original investor who remained continuously associated with the series for the longest period.