Daniel Ek: The 2015 Billboard Power 100
NO. 20

Daniel Ek

31, Co-founder/CEO, Spotify

Last year's rank: 25

A very public war with Taylor Swift over its free tier hasn't slowed down Spotify one bit. At press time, the world's most successful subscription service was working with Goldman Sachs on a new $500 million round of fundraising. How has the Stockholm-based Ek led Spotify to 12.5 million subscribers and 60 million monthly listeners worldwide? "He listens," says Glassnote Entertainment Group founder Daniel Glass, to criticism and to the artist community. "He's personally involved."

WHOM I CALL FOR ADVICE: "Martin Lorentzon, my co-founder."