Jez Nelson is a British DJ, broadcaster, and music entrepreneur renowned for his influential work in jazz, electronic, and underground club music. Active since the 1980s, Nelson first rose to prominence as a founder of the legendary London jazz-dance club Dingwalls. He became a significant voice on BBC Radio, presenting the influential programs "Jazz on 3" and "Somethin’ Else" on BBC Radio 3 for over a decade.

An advocate for genre-blurring music, Nelson co-founded the production company Somethin’ Else, which became one of the U.K.’s leading independent media producers. Throughout his career, he has promoted innovative new sounds and championed emerging talent, leaving a long-lasting impact on the UK jazz and club scene.