We contacted Root Capital because it was recommended by other funders. We are in touch with Root Capital and they have agreed to be reviewed by GiveWell in 2013.
More information:
Published: December 2012
Update (November 2013): In 2013, we've prioritized charities whose programs have strong evidence of effectiveness (along the lines described here) for a possible GiveWell top charities recommendation; our understanding is that the interventions undertaken by this charity do not meet this criterion.