The 12 Youngest Self-Made Millionaires

4) Adam Horowitz(4 of 12)

4) Adam Horowitz(4 of 12)

At 15, he established goals for himself to earn his first million before he turns 21. Did he meet his goals? Well, he did more than just meet his goals, he exceeded them by let’s say more than a million.

He developed Mobile Monopoly, a tutorial teaching people about mobile marketing. It is reported that he earns a six-figure income. What is the millionaire up to now?

He has been working on developing YelpText, a text messaging service for small businesses.