7. Sachin Agarwal

Company: Posterous

At Apple: Engineer

It was in 2008 that Sachin Agarwal founded Posterous, a simple blogging platform. It is now acquired by Twitter.

Before he founded Posterous, Agarwal worked as an engineer at Apple for six years. He has drawn inspiration from Apple, Audi and Amazon as a product designer and was successful enough to make it easier for the users to share pictures, videos and stories with others through Posterous.