Samuel Bankman-Fried (born March 6, 1992), also known by his initials SBF, is an American entrepreneur, investor and founder and former CEO of the cryptocurrency exchange FTX, FTX.US and cryptocurrency trading firm Alameda Research. FTX experienced a crisis in late 2022, which led to a collapse in FTX's native cryptocurrency, FTT. Amid the crisis, Bankman-Fried announced he would wind down operations at Alameda Research and resigned as CEO of FTX, which filed for Chapter 11 bankruptcy.