For philanthropists of the past, charity was often a matter of simply giving money away, but the new generation of billionaires who are reshaping the way they give see charity as more like business. Matthew Bishop explains how philanthrocapitalism works and what it means for philanthropy. In Philanthrocapitalism, written with Michael Green, he speaks with Bill Gates, Bill Clinton, Warren Buffett, Oprah Winfrey, Bono, and other wealthy people motivated to change the world.

Read Matthew Bishop's blog here.