Don Vultaggio, co-founder of AriZona iced tea, is worth nearly $6 billion. Unlike other billionaires, he never went to college, crediting his success to customer service, value, and treating employees like family. Vultaggio’s net worth has nearly doubled from $3 billion in 2018. He attributes his success to mentorship.

Read more at Yahoo Finance: He’s a billionaire who never went to college. Here’s how Don Vultaggio made his fortune.