Service is an opportunity for young women to really empower themselves.

I hope to make a positive, productive contribution, as cheesy as that may sound.

I had seen people who had lost everything and everyone they loved to war, famine, and natural disasters.

A tin roof is one of the greatest indicators of prosperity in the developing world.

I am excited to work with NBC News to continue to highlight stories of organizations and individuals who make their communities and our world healthier, more just and more humane.

Celebrate those who have the courage to be second, because I do think that often there really is this claustrophobic pressure to innovate instead of to adapt.

For me it's just so exciting to have a daughter because I do think she will have even more opportunities than I had, and I had more opportunities than certainly my grandmother had. It's the arc of history, always bending toward justice and opportunity, and she will be part of that.