Most of us have to work, but life is far too short to have so much of it dominated by unhappiness or discontent. So I believe that everyone needs — and deserves — to be happy at work.

I’m the CEO of an executive search firm, where we’ve interviewed more than 30,000 candidates. And as the author of “Work How You Are Wired: 12 Data-Driven Steps to Finding a Job You Love,” I surveyed about 7,000 people about their careers. Over the years, I’ve studied what makes people successful and happy — or struggling and miserable — at work.

Here are the six keys to happiness at work:

Knowing your supervisor has your best interests in mind and having a good relationship with them can make an otherwise not-so-great job downright tolerable.

A good boss knows you and your particular wiring, like whether you prefer to receive praise in public or privately in an email. Don’t make them guess what skills you’d like to develop or what management style works best for you. Instead, try to share the information they’ll need about you to support you.