Bangalore: There is nothing more really impressive than founding a company and then turning it into a multi-billion dollar business even before your birthday calendar tells that you are 30. We have never seen  or notice so many entrepreneurs emerging out of nowhere but this century has gifted us all with such talented entrepreneurs who can even run 5 to 6 companies at the same time even before they could graduate from their university. Business Insider picked up these 9 entrepreneurs who run billion dollar businesses between the age group of 26 and 31.

David Karp

Founder and CEO of: tumblr.

Age: 26

David Karp founded this company when he was 21, in 2007. This website is social sharing website which lets you to create an account in a very simple process; you can then follow your interest and showcase your talent in this platform. It has an attractive design and style and this website can promote your post with a very nominal charge. Head quartered in New York City its monthly page views are always around 15 billion, the current figures are 16,885,294,080. It raised more than $800 million and the current worth of the company is assumed to be a billion. It has 67.5 million blogs and 28.9 billion posts.