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Craigslist founder Craig Newmark has pledged to give away most of his estimated $1.3 billion fortune, drawing on lessons about generosity he learnt in Sunday school. Newmark, who launched the online classifieds platform in 1995, signed the Giving Pledge in 2025, committing to donate the majority of his wealth to charitable causes. In his 2025 Giving Pledge letter, he wrote: “A few years later they taught me that I should help ‘repair the world. Newmark founded Craigslist in 1995, initially creating an email list to share information about technology events and social gatherings in San Francisco. Newmark signed the Giving Pledge in 2025. The initiative was launched in 2010 by Bill Gates, Melinda French Gates and Warren Buffett to encourage the world’s wealthiest people to give away at least half of their net worth to charitable causes during their lifetimes or through their wills. As reported by Fortune in January 2026, Newmark had donated $450 million to charity and made additional commitments totalling $37 million, according to The Chronicle of Philanthropy.
Newmark said his teachers later introduced him to the idea of helping to “repair the world”, according to the Giving Pledge. In a December 2025 post announcing his decision, he said he was giving away most of his wealth and “keeping a small part for my family”. The website disrupted local newspaper advertising revenue while generating hundreds of millions of dollars annually in fees, according to Fortune. In a December 2025 post, he wrote: “This all feels like a follow-up to my decision in early 1999 to monetise Craigslist as little as possible. ” He added that he had turned down substantial investment offers while still making money from the business. He wrote: “My most effective approach to addressing a manageable number of needs is to build a network of networks of people who know how to get the job done on stuff I care about. ” He explained that his role was to identify organisations, provide funding and encourage them to work together. “I find the group, fund them, nudge them to work together, and get out of the way,” he wrote. His commitment to philanthropy, he has said, stems from the moral principles he learnt in childhood and his belief that he has more money than he needs.
He credits his childhood teachers, Mr and Mrs Levin, with teaching him when enough is enough and the importance of treating others fairly. His philanthropic priorities include supporting military families and veterans, tackling cybersecurity threats and scams, and funding pigeon rescue initiatives. I got lucky with my stuff, but I don’t need the money, so I’m giving it away. His statement links his decision to give away his fortune to lessons he received early in life rather than presenting it simply as a financial decision. The Giving Pledge is an initiative that encourages wealthy individuals and families to commit to giving away the majority of their wealth during their lifetimes or through their wills. Newmark’s pledge reflects his stated intention to direct most of his fortune towards charitable work while retaining a smaller amount for his family. The service subsequently developed into a widely used online classifieds platform. Its listings connected users looking for items and services, while its relatively limited monetisation helped distinguish it from many other commercial websites. Craigslist became a significant source of Newmark’s wealth despite operating with a comparatively lean business model. Newmark has also described his decision to keep monetisation limited as part of his approach to the company. Newmark’s charitable priorities include military families and veterans, cybersecurity, fighting scams and pigeon rescue. In his Giving Pledge letter, he described his approach as building networks of people who understand how to address the needs he cares about. His stated priorities combine support for people, efforts to address online security problems and animal welfare. Pigeon rescue is a particular interest of his, and he has spoken publicly about his affection for the birds. By joining, Newmark publicly committed to giving away the majority of his wealth, consistent with the principles he described in his pledge letter. His pledge letter concludes with a statement that reflects his self-described identity and approach to his work: “I may not be the nerd you want, but I’m the nerd you got. You use AI every day. Now get your AI Quotient. Take the AIQ test.