31. Larry Page & Sergey Brin

Sergey Mihailovich Brin (1973, Russia) is an American entrepreneur. Born in Russia, Brin studied computer science and mathematics before co-founding Google with Larry Page. Brin is the President of Technology at Google and has a net worth estimated at 11 billion U.S. dollars.

Lawrence E. Page, more commonly known as Larry Page (born March 26, 1973 in Ann Arbor, Michigan) is one of the founders of the Google internet search engine and is currently the President of Products of Google Inc.

As of 2005 Brin and Page are estimated to be worth USD$11 billion apiece and are sixteenth in Forbes 400 list and ranked the 2nd richest Americans under the age of 40