American Express CEO shares his intense daily routine — 17-hour days that start at 5:45 am and end at 10:30 pm. He answers emails for 3 hours.

• Amex CEO Steve Squeri eats a Chopt salad at his desk every day, the Financial Times reports.
• Squeri works 17-hour days that start as soon as he's on the way to work, he told the FT.
• He says he spends 3 hours each night answering more than 150 customer emails.

The CEO of American Express has 17-hour work days — and they include eating a Chopt salad for lunch at his desk each afternoon, and spending three hours each night answering customer emails.