Paul Needham: Owning electricity

Paul Needham’s organization, Simpa Networks, makes solar energy available to the poor. By using a pay-as-you-go pricing structure modeled after mobile phone cards, Simpa gives its customers ownership of the electricity. Once the initial cost of the equipment is paid off, the device belongs to the customer and their electricity is free.

Krista Donaldson's Design Revolution

Krista Donaldson runs D-Rev: Design Revolution, which creates world class products—market and user driven—designed to meet the needs of the four billion people all over the world living on less than four dollars a day.