Here are the 7 richest people in the world who haven’t signed the Giving Pledge—Jeff Bezos is No. 3
Seven of the world's 11 wealthiest people haven't signed the Giving Pledge, where signees commit to giving away at least
Read MoreSeven of the world's 11 wealthiest people haven't signed the Giving Pledge, where signees commit to giving away at least
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