Peter Barris

We had this unbelievable faith that no business has done, quite frankly, and we tripped along the way doing it, but within two years, we were in 40-plus countries. So we ran at an amazing pace, and this is where venture capitalists play a role. Making Groupon into what it is today, we had no role in it; the entrepreneurs did it.

The importance of heart health became very real for me when my father died of heart disease seven years ago. Having experienced the loss first hand, I am inspired to do everything I can to break the cycle and prevent families from losing loved ones to this preventable disease.

It has taken me a long time to work out the function of ex-boyfriends, at least for me: how they can help you work out what you want from life and from a partner by showing you what you don't. If a man is your ex, it's better all round if he was not Mr. Right.