There is power in creating a small model, and then you can create an alliance of other small models.

Philanthropy is no longer about writing a check for $10,000 to the opera.

People have to understand that unless social enterprise is experimental, it will not succeed in making a difference.

Acumen Fund's patient capital investment in Western Seed is intended to enhance the food security and economic independence of Kenya's smallholder farmers.

If there's one value that is immutable, it's integrity or respect, for others and for yourself.

We can send people to the Moon; we can see if there's life on Mars - why can't we get $5 [mosquito] nets to 500 million people?

All people deserve access to health at prices they can afford.