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

Our lives are so short. And our time on this planet is so precious. All we have is each other.

I feel like I'm a relentless, pragmatic, determined optimist.

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?

Our actions - and inaction - touch people every day, people we may never know and never meet.

When I first went to Africa, I thought that I was personally going to save the continent, if not the world.

You should focus on being more interested than interesting.