The William Penn Foundation is a large family foundation based in Philadelphia that focuses on expanding access to resources and opportunities that support a more equitable, resilient, and thriving region.
The William Penn Foundation is dedicated to increasing access to resources and opportunities that foster a more vibrant and equitable city and region for everyone.
The William Penn Foundation was established in 1945 by Otto and Phoebe Haas to support charitable, educational, and civic initiatives. Over time, the foundation refined its focus to concentrate on long-term regional impact in Greater Philadelphia. Its grantmaking evolved toward data-driven strategies, systems change, and sustained partnerships with nonprofit and public-sector actors.
The William Penn Foundation directs its grantmaking toward expanding access to opportunities and resources across the Philadelphia region, with particular attention to communities that have historically faced barriers to opportunity. Most grants are awarded through publicly announced Requests for Proposals (RFPs) aligned with specific program objectives, while a smaller number are made through an open application process to address gaps or support time-sensitive initiatives identified through community engagement.
The foundation has played a sustained role in strengthening nonprofit capacity and public systems in Greater Philadelphia. Its long-term investments have supported regional arts infrastructure, early childhood systems reform, environmental restoration initiatives, and civic engagement efforts. The foundation is recognized for its emphasis on evaluation, learning, and adaptive strategy over multiple decades of grantmaking.
The foundation collaborates with nonprofit organizations, local governments, research institutions, and peer funders. Partnerships often involve co-funded initiatives, shared research, and alignment with public-sector strategies to improve regional outcomes.
The William Penn Foundation publishes detailed guidance on its funding priorities, application process, and evaluation expectations. It maintains transparency through public reporting, including audited financial statements and program updates. The foundation’s strategy emphasizes long-term systems change rather than short-term project funding, and it regularly refines its approaches based on evidence and learning.