A lot of entrepreneurs let ego get in the way. You've got to be the conductor. You can't play all the instruments yourself. You have to get others to work together.

Sulking about your mistakes only leads to future ones.

My wife and I work out together almost every day. It's just a great way to spend time together. We're going to run a marathon together later this year, and that's one more goal that we'll accomplish as husband and wife.

To the new 'Apprentice' candidates I would say to follow your gut instincts, be yourself and get ready to work hard for the next few months. Oh, and try to have some fun!

Chicago is seriously my favorite city in the country. People have roots here, which is nice. When you go to Los Angeles, no one is actually from Los Angeles.

When you lose your hair, it has an impact on confidence and your overall self-esteem whether it affects your career or your love life.

The American Dream is still alive out there, and hard work will get you there. You don't necessarily need to have an Ivy League education or to have millions of dollars startup money. It can be done with an idea, hard work and determination.