By CNNMoney Staff @CNNMoney June 5, 2015: 3:08 PM ET
Michelle Phan
5 of 9
Phan, 27, rose to fame in 2007 with her YouTube makeup tutorials; the channel now has 7.5 million subscribers. In 2007, she co-founded ipsy, a makeup subscription startup, and last fall, she co-founded Shift Music Group, a platform for artists to promote and share music.
