1. Mark Kamau at TEDxAmsterdam 2009: Intelligent engagement - Watch video
2. Shukla Bose at TEDIndia: Teaching one child at a time - Watch video
3. Javette Orgain at Gel Health 2009: Practicing medicine on the south side of... - Watch video
4. Jim Withers at Gel Health 2009: Concierge healthcare for the homeless - Watch video
5. Esther Duflo at PopTech 2009: Ending Poverty - Watch video
6. Michael Pritchard at TEDGlobal 2009: Michael Pritchard's water filter turns filthy water drinkable - Watch video
7. Paul Collier at TED@State: Paul Collier's new rules for rebuilding a broken nation - Watch video
8. Paul Polak at Poptech 2007: Alleviating poverty, simply - Watch video
9. Ngozi Okonjo-Iweala at TEDGlobal 2007: Let's have a deeper discussion on aid - Watch video
10. Jacqueline Novogratz at TEDGlobal 2005: Investing in Africa's own solutions - Watch video
11. Iqbal Quadir at TEDGlobal 2005: The power of the mobile phone to end poverty - Watch video
12. Bono at TED2005: TED Prize wish: Join my call to action on Africa - Watch video