When it comes to handwriting thousands of employees' birthday cards, Belfor Holdings CEO Sheldon Yellen says it's worth the muscle cramps. It's a tradition he started in 1985, when he had a 19 ...

And since 1985, long before Yellen was chief executive, he has written a holiday and birthday card to every employee of the company every single year. Today, as CEO, he handwrites 9,200 cards ...