Priscilla Chan

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Chan married Facebook founder Mark Zuckerberg in 2012, in a quiet ceremony that took place in a backyard. Guests were told that they were attending a med-school graduation party for Chan, and were surprised when a wedding took place. Chan, 30, met Zuckerberg in 2003 at a house party, and their romance continued even though Chan was in Boston at school and Zuckerberg was living in his throne room in Silicon Valley. After Chan graduated in 2007, she joined Zuckerberg in northern California to attend medical school at University of California, San Francisco.

Despite being one of the most powerful couples in the world, Chan and Zuckerberg keep things simple. They spend two weeks a year traveling around the world, but they don’t travel with an entourage, and you hardly ever see them flaunting their wealth. Chan seems to humanize Zuckerberg, who has a robotic vibe that she helps make more accessible.