Google co-founder and CEO, saw his company span a revenue of $50 Bn last year. After having so many feats with the internet company, Page now focuses on mobile devices. An avid techie, he is believed to be a major prophet of cleaner forms of energy with his house built around on geothermal and rainwater techniques. Page and Sergey Brin also hold investment in the Electric Automobile Co Tesla. Page is currently receiving treatment for his loss of voice.