Pham’s impact at Uber was evident on New Year’s Eve, typically a night of frantic activity that had overwhelmed Uber’s systems for three straight years. ‘Thuan, if we have a system breakdown, I’m going to have an aneurysm and my death will be on your hands,’ Kalanick told him earlier that day. But for the first time, Uber’s systems survived the night relatively unscathed. A few days later, Kalanick took Pham and his team out for a celebratory dinner and offered a rare bit of praise. ‘You did a great job,’ Uber’s CEO said. Characteristically, the praise came with a new challenge. ‘From here on
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