Brian Steidle, a former Captain in the Marine Corps, worked for the African Union where he served in Darfur. He has made several return trips to Africa and now gives lectures across the country, including Harvard, Princeton, Stanford and UCLA, about Darfur. Gretchen Steidle Wallace, Brian's sister and the founder of Global Grassroots, has a BA in foreign affairs from the University of Virginia and an MBA from the Tuck School at Dartmouth College. They live in New Hampshire.