SFX Entertainment founder Robert FX Sillerman has penned a farewell letter to staff after officially stepping down as CEO.

The EDM promoter, which is a stakeholder in events including Awakenings, Sensation, Nature One, Electric Zoo and Rock in Rio, filed for bankruptcy earlier this year after a debt-for-equity swap with bondholders, which saw its $300 million debt wiped from its books. SFX's largest creditors are some of its own promoters.  

In his farewell address, Sillerman (pictured), who will remain ...