Mission & Values

Our mission is to accelerate America’s transition to a performance-driven social sector.

About Us

Third Sector leads governments, high-performing nonprofits, and private funders in building evidence-based initiatives that address society’s most persistent challenges. As experts in innovative public-private contracting strategies, Third Sector is an architect and builder of the nation’s most promising Pay for Success projects. A 501(c)(3) nonprofit, Third Sector is supported through philanthropic and government sources, including a grant from the Corporation for National and Community Service’s Social Innovation Fund.

Our team brings extensive experience in developing innovative financing and contracting across the public and private sectors. We are highly versed in managing projects with diverse groups of stakeholders, economic modeling, fundraising, and evaluation/data analysis. Third Sector has offices in Boston, MA, San Francisco, CA, and Washington, DC, and serves clients across the United States. Learn more about our team.

Our Values


We have respect for our clients, for the people whose lives we aim to improve, and for the hard work that has and is being done to move toward a performance-driven social sector.


We will bring an intellectual and analytical rigor to our engagements, to help clients engage with Pay for Success and its potential to advance effective and proven programs.


We bring deep experience in finance, project management, and evaluation, but recognize the value of learning from and collaborating with partners at all stages of a project.


We believe in developing projects that measurably improve the lives of people in need and creating a sustainable field that funds programs with demonstrated impact and results.

Putting our Values to Work:

View Our Projects