$16 billion Twilio CEO has been waking up and working from 4:30 a.m. since college—he says it’s why he was CFO of a multi-billion-dollar brand by 31 - Fortune

For most 20-something-year-olds fresh out of college, 4:30 a.m. is when the night ends, after a night of partying. For Twilios CEO, Khozema Shipchandler, it was the beginning of his day.The 51-year-o…