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John and Laura Arnold have donated nearly $2 billion—half their fortune—making them the only Giving Pledge signers to fulfill the commitment while alive.
John and Laura Arnold, billionaires who signed The Giving Pledge in 2010, have donated nearly $2 billion—about half their $2.9 billion fortune—while still alive, making them the only known signers to fulfill the commitment, according to a 2025 report.
Since founding Arnold Ventures in 2008, they’ve focused on data-driven philanthropy in criminal justice, healthcare, education, and infrastructure, giving over $204 million in 2024 alone and maintaining a top philanthropy score.
Their active, results-oriented approach, emphasizing measurable impact, sets them apart from most pledge signers, with only a few others having met their commitments before death.
John y Laura Arnold han donado casi $ 2 mil millones - la mitad de su fortuna - haciéndolos los únicos firmantes de Giving Pledge para cumplir con el compromiso mientras están vivos.