Three months before the cryptocurrency market imploded last year, Caroline Ellison, the 27-year-old chief executive of the crypto hedge fund Alameda Research, was racked with self-doubt.“I have been feeling pretty unhappy and overwhelmed with my job,” Ms. Ellison wrote in a Google document in February 2022. She added: “At the end of the day I can’t wait to go home and turn off my phone and have a drink and get away from it all.”Ms. Ellison had a lot on her mind. She did not think that she was well suited to running Alameda or particularly decisive as a leader, she wrote in another Google document. She was also going through a breakup with Sam Bankman-Fried, the billionaire entrepreneur who had founded Alameda and then FTX, one of the world’s largest cryptocurrency exchanges. They had dated …
