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Built to Last: A 4th Generation Foundation Still Going Strong

Featuring Peter Haas, a fellow of the Haas family’s William Penn Foundation

What does it take to keep a foundation vital and effective for more than four generations? The Haas family’s William Penn Foundation, a recipient of the Carnegie Medal of Philanthropy, has been improving the quality of life in Philadelphia for more than 70 years—and it’s not slowing down. In this episode, we talk to Peter Haas, a fellow of the Foundation established by his great-grandparents, Otto and Phoebe Haas. He shares his family’s tips for success and explains how they’ve engaged foundation members to build an enduring philanthropic legacy.


Foundation Source empowers people and companies to create a better world through philanthropy. As the nation’s largest provider of foundation management services, we’re a trusted source for philanthropic expertise. We invest in industry-leading technology for private foundations and offer a configurable suite of administrative, compliance, tax and advisory solutions that meet you where you are in your philanthropic journey.

For more than two decades, we’ve worked with individuals, families, boards and professional advisors to preserve legacies and make giving easier. Today we are proud to support more than 2,000 unique foundations and have facilitated over $10 billion in charitable aid. With a 98% retention rate, we are honored to have earned the trust and loyalty of our clients.

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