You already know about the Power Women: the celebrities and moguls, the world leaders and dignitaries, the stars who can dominate a news cycle with a single tweet. Lots of these women—like Nicki Minaj, Caitlyn Jenner, Hillary Clinton and Angela Merkel—are on this year’s TIME 100. But influence and fame are not the same thing, and this year’s list also includes women whose impact far exceeds their fame. You may not know who they are (yet). Here’s why you should.

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