Being an entrepreneur is something that might seem difficult or easy. Being an entrepreneur can be a vocation. Entrepreneurship also need the courage to take risks.These things can be controlled by a one Jeff Bezos. Initially, ie in 1992, Jeff has become a senior vice president at mutual fund firm DE Shaw, based in New York. Then he dreamed to form a company that sells books via the internet.Jeff expressed this to his boss. What response his boss? "That sounds like a good idea, but it's a better idea for someone who is not getting a good job." What is said does not necessarily make her boss Jeff wants to undo. This is another hallmark of a true entrepreneur, which is not only dared to daydream, but also dare to manifest.After 48 hours of thinking, Jeff came out of a comfortable job and starting a business is Amazon.com. Now he already has 56 200 employees. Its value was about 80 billion U.S. dollars. What do Jeff is much valued by the editor to senior writer in a number of media business is a unique thing. Jeff has made its own record in the U.S. economy and even the world. In fact he was entered as the largest selection of 12 entrepreneurs to Fortune magazine.So who is more entitled juxtaposed with Jeff on the list? There's Steve Jobs made Apple become the most hot and worth on this earth.Mark Zuckerberg that will make Facebook go public. In fact, the so-called initial offering of shares of social media will be the greatest of all time with a value of more than 80 billion U.S. dollars.Bill Gates with Microsoftnya has helped the revolution in personal computer (PC). Larry Page and Sergey Brin, Google's founders which they are now having a market value of about 203.2 billion U.S. dollars.Fred Smith, FedEx logistics services company owner. Fred gained entrepreneurial experience when actually serving the country in the Vietnam War.Herb Kelleher, Southwest Airlines company owner. He has the view that "Customer is the first person to come. And if you treat your employees well, guess what? Your customers coming back and it makes your stock holders happy. Starting with the employee and the rest will follow."Howard Schultz, the owner of Starbucks coffee shops. He managed to revive the Starbucks brand by challenging old ways of doing things.Sam Walton is now successfully managing Wal-Mart stores. His advice was to give people what they want. With his advice, the Wal-Mart was a success with sales reaching 446.9 billion U.S. dollars.Then John Mackey, Whole Foods owner. He has now been running the Whole Foods Market with more than 300 supermarkets and employs more than 56,000 people.NR Narayana Murthy, Infosys founder as one of the largest companies in India that helped transform this South Asian nation's economy and put the economy to be reckoned with in the world.Oprah Winfrey is known for its television program that inspired many people. He also referred to having a strong media company.Anita Roddick, founder of Body Shop. Anita managed to peddle body care products which are friendly to nature.Muhammad Yunus, the founder of Grameen Bank. His bank has helped many poor people by providing micro-credit in Bangladesh. Now the Grameen model has been developed in over 100 countries and help millions of people.Twelve people were subjectively rated choices that they and their business has a significant impact socially and economically. They have been the inspiration for its workers and other entrepreneurs. There are innovations that they create. They have to have a sustainable organization and have a combined market value of more than 1.7 trillion U.S. dollars. They also employ more than three million people, ranging from the highest that 2.1 million workers at Wal-Mart and more than 3,000 people on Facebook.