12. Bill and Melinda Gates: He co-founded Microsoft. Together they try to save the world.

The Bill and Melinda Gates foundation is one of the largest charities in the world that contributes to improving the American education system, as well as to funding research and provision of vaccines for a number of diseases.

13. Michael and Kass Lazerow: They are founders of Buddy Media

This couple is dedicated to helping brands and startup companies master social network site Facebook, through their company Buddy Media. Before founding Buddy Media, they started Golf.com, which, over time, they sold to Time.Inc. Golf.com had 1.3 million unique visitors, making Time’s acquisition a wise buy.