Imagine writing 7,000 birthday cards each year. Now imagine doing that while also running a $1.5 billion company.
It's all part of the job for Sheldon Yellen, CEO of property restoration company Belfor.
"People say to me all the time that the customer comes first," Yellen told CNBC. "But I'll say, 'I'm sorry, but my people come first.' And I truly believe that."