British mastering engineer at [l=Loud Mastering], along with [a=Jason Mitchell].
Dent has also worked in London mastering houses [l=Trident Studios] (1973–1978), [l=The Sound Clinic] (1978–1987), and [l=The Exchange] (1987–1994). His engineering mark can often be found in vinyl runouts simply as "JONZ", or similar variants.