so you're in the marine corps, and you should tell everybody where khybera is. what skills did you get in the marine corps that got you involved in that kind of work and how did you decide when you left the stint in the service, to do this? >> how many of you all have heard of khyber before? all right. a few hands up. it's located on the outskirts of nairobi, kenya. residents there call it a slum and it is a slum community, about half a million folks live there in an area about the size of central park, and i was a junior at usc chapel hill, and i knew that i was going into the marine corps because that was really my first calling in life. my father had served in the marines, and like all of us here in this room, you know, i wanted to make a difference, and the marine corps appeared to be a way to do that. and so i chased that dream, and it had a clarifying effect. when you're at college, you often hear that, use this opportunity to discover what you want to do, and i think it is an amazing moment in life to discover what you want to do, but it really helps if y

i return back to khybera, i had no idea whether or not i'd see tabitha again. i barely recognized her from the previous year but she found me and took me zigzagging through the alleyways to her own ten x ten and she had taken her savings from selling vegetables for six months of about $100 and pursued her dream. she started a small medical clinic out of her shack, and she was a nurse and she was offering quality care, and it made a lot of sense for us, for this, for her to become a part of our organization, carolina for khybera, and as we grew it together for many years taking a participatory approach, she grew that clinic, and today that clinic treats over 40,000 patients a year. [ applause ] 40,000 patients a year. and i'm going to wrap up but it started with $26. but $26 in the hands of a remarkable person, working in partnership together, taking a long view, taking a participatory approach over ten years, and when i step back and i think about being in your shoes, i remember just feeling so overwhelmed by the number of options that you had, that i have, tha