The Grill: David Edelstein
David Edelstein is using technology to battle poverty, and his weapon of choice is the mobile phone. Edelstein is director of the Grameen Technology Center and vice president of technology programs at Grameen Foundation, a Washington-based nonprofit that supports microfinance practitioners worldwide. Edelstein holds the top technology job, guiding the foundation's efforts to create innovative and sustainable technology approaches to benefit the world's poor.