During his career, he managed many musicians, including his ex-wife Diana Ross, Billy Preston, Rufus, the Rolling Stones' Ronnie Wood, Meat Loaf and Status Quo.

[1] Silberstein was born into a family of Jewish garment manufacturers in Elberon, New Jersey.

Bob moved to Los Angeles in late 1969 or early 1970 and met Diana Ross by chance two months later.

While both in a men's shop, Diana asked Bob for help picking out a gift for her then-partner, Motown Industries chairman Berry Gordy.

[6][7][8][9] In 2018, he was associated with the short-lived movie ticket subscription startup, MoviePass, and was subsequently named in a lawsuit citing unlawful gender discrimination and sexual harassment.