Irv Gotti, a music mogul who founded Murder Inc. Records and was behind major hip-hop and R&B artists such as Ashanti and Ja Rule, has died. He was 54.

Before launching Murder Inc. in New York City in 1998, Gotti worked as an A&R at Def Jam, where he helped bring DMX, Jay-Z and Ja Rule to the label. Under the moniker DJ Irv, he produced the song “Can I Live” from Jay-Z’s 1996 debut, Reasonable Doubt.

Gotti, born Irving Domingo Lorenzo Jr. on June 26, 1970, was a key figure in the sound of ‘90s and 2000s hip-hop, when brash lyricism and outsized personalities blended seamlessly with pop hooks and R&B tenderness.