A lot of young entrepreneurs are changing the world in a big way. They are solving business and consumer problems, they are making meaning and making money and best of all, they are an inspiration to their generation. These young founders have created great companies that employ hundreds of people. There are still huge opportunities in every industry, take advantage of a business opportunity today and make an impact whilst you still have time. Meet 10 0f the biggest entrepreneurs under 30 who have successfully created some of the best companies today.