The man who built Microsoft into one of the world’s most valuable companies is no less hands-on in his second career as a philanthropist. Since its launch in 2000, the Bill & Melinda Gates Foundation, with an endowment of $50bn, has become one of the largest grant-givers in the world, disbursing nearly $5bn a year.
Reflecting on the lessons learnt Mr Gates, 63, stresses the need for data, systems and holding people to account as he seeks to spur policymakers to tackle big global problems.
“Ten years ago, we were pretty naive,” he says. “We hoped if you invested and developed new technologies, the world would applaud and figure out how to get them into [the field].”
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