Sergy Brin and Larry Page are the co-founders of Google. They met at Stanford University where they studied computer science for a PhD. But they decided to leave the university at the age of 25 to start Google, and by the time they were 30 and 31, they had become billionaires, worth around $18.6 billion each.

Kostyantin Zhevago of the Ukraine started working at a bank as finance director when he was only 19. He later bought a majority stake in the bank’s holding company. Now he is 34 years old, a member of the Ukraine´s parliament, and is worth $3.4 billion.

Xiaofeng Peng, 33, is a Chinese billionaire whose nickname is ‘Light.’ He started a solar energy company called LDK Solar in 2005, and two years later the company debuted on the NYSE Euronext (an international stock exchange).

_________________________________________

Glossary

co-founder: n. A person who starts a business or organization with other people.
worth: n. value. (Used as adjective: Sergy Brin is worth $18.6 billion. To be valued at a certain price or rate.)
majority stake: n. phrase. The greater part of a company’s financial shares or stock.
holding company: n. A company that controls other companies.
debut: v. To appear for the first time.
stock exchange: n. phrase. (also, “stock market”) A place where stocks are bought and sold. A stock is a financial share, or part, of a company.

(Source: Forbes.com)