Wikipedia
Jerome Harmon, better known as J-Roc, is a hit radio producer from Fort Worth, Texas. He frequently collaborates with Timbaland. Jerome Harmon has produced for Beyoncé, Justin Timberlake, Jay-Z, Chris Brown, Keri Hilson, Ashlee Simpson, Mario, Nelly Furtado, Jamie Foxx, Michael Jackson, and Chris Cornell.
In 2013 Billboard Magazine named J-ROC has one of the Top R&B Producers alongside collaborator Timbaland. This occurred in the same year that the producer worked on five albums that topped the Billboard album charts.
In 2014 legendary producer L.A. Reid invited J-Roc and other collaborators to work on the posthumous Michael Jackson album known as Xscape. J-Roc re-worked the production of six songs from the album included the single "Love Never Felt So Good, feat. Justin Timberlake".