These 30 Under 30 Alums Are Now Billionaires: How They Built Their Fortunes
Here are the 46 Under 30s who turned their startups into billion-dollar fortunes—Sam Altman, Alexandr Wang, Taylor Swift and more. By Alexandra York, Zoya Hasan and Sofia Chierchio In January 2012, Forbes launched the inaugural 30 Under 30 list to …