Since 1985, long before Yellen became chief executive, he has written a birthday card to every employee of the company every year. Today, he said he hand-writes 8,000 cards annually.

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 ...

Sheldon Yellen, CEO of BELFOR Holdings, Inc., writes all 9,200 of his employees birthday cards every year and believes doing so cultivates a compassionate work culture ...

As Chris Weller of Business Insider shares, Sheldon Yellen, CEO of disaster relief and property restoration company Belfor Holdings, has made giving employees birthday cards a serious habit.He ...

For more than three decades, Sheldon Yellen has penned personal birthday wishes to each of his employees. On Wednesday, thousands of his workers from around the world decided for Yellen's 60th ...