I have a new business role model for my mental mentors list, and I’m guessing you’ve  never heard of her. Valerie Mars, who just spearheaded the US$36B purchase of Kellanova.

Mars is still privately owned, and they don't even have a sign on their headquarters. They do everything on their own terms, and that is the greatest thing in business. Learn how you can do it on a smaller scale in this week's story.