Bill Gates Speaks on 'Smarter’ Giving and Philanthropy’s Most Exclusive Club

Bill Gates

Photo courtesy of the Microsoft Corp.

Bill Gates is co-founder of the Bill and Melinda Gates Foundation.

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Photo courtesy of the Microsoft Corp.

Bill Gates is co-founder of the Bill and Melinda Gates Foundation.

Bill Gates is America’s richest man—but he is more preoccupied with giving his fortune away than anything else these days.

Mr. Gates and his wife, Melinda, intend to donate more than 90 percent of their roughly $50-billion fortune, and now the couple, along with their friend Warren Buffett, are asking the country’s billionaires to dig deep, too.

The trio are calling upon fellow billionaires to sign a “Giving Pledge” committing at least half their