Dan Novaes is founder and CEO of MobileX Labs, the app-solutions company behind Nativ, a free mobile-app builder. He started his first company at the age of 15 with $1,000 and built it up to over $2 million a year in revenue by age 20. A graduate of Indiana's Kelley School of Business, Novaes' companies have generated over $16 million in revenue to date.