This document discusses the importance of accountability, transparency, and results reporting in the nonprofit sector. It notes that currently there is little evidence that most nonprofits produce social value. It outlines Charity Navigator's evolution from rating financial health to also rating organizational accountability, transparency, and mission results. Accurate performance measurement is critical for donors, charities, and beneficiaries. Increased accountability and transparency will lead to more nonprofits focusing on measuring their impact and improved human welfare over time by directing funds to effective organizations.