Before an interview, this person tweeted out the word “What” followed by the letter “H” (15[1])and promised to follow it up with “A” and “P” and then (15[1])make the rest up. This person made a career change after advice from Oxford professor Will MacAskill. (15[1])Employees of this person (15[1])racked up a $55,000 (15[1])bill at a Margaritaville resort. This person’s foundation Building a Stronger Future provided grants to reporters, including the Vox project (*) Future Perfect. After it was found that the finances (10[1])of a company founded by this man were tied up in Alameda Research, the company collapsed after rival CEO Changpeng Zhao of Binance sold his holdings in it. For 10 points, name this man who was arrested in the Bahamas in December 2022, the founder of cryptocurrency exchange FTX. ■END■