SmartCompany's Hot 30 Under 30 class of 2013 is a group of entrepreneurs aged 30 and younger, drawn from 30 of Australia's fastest-growing small and medium-sized businesses. They're on the path to becoming Australia's next generation of top entrepreneurs. The majority of those on the list have already turned over $1 million or more, showing that even at a young age they have already found success. Meet 10 of the class of 2013 ...