When venture capitalists Bill Draper and Robin Richards Donohoe decided they wanted to give back to the community, they came up with a grant-making foundation modeled on the same principles they use in their VC business. The Draper Richards Foundation for Social Entrepreneurship provides early-stage grants of $300,000 over three years to social entrepreneurs with a vision of changing the world. The partners rely on the same due-diligence process and business acumen that brought them success in the financial world. They're among a growing wave of executives and entrepreneurs who have taken business models into the nonprofit arena, not only...