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idge/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-4-jan-koum/2025-03-19T00:12:54-04:00monthly0.7https://sandbox.philanthropy.com/news/no-34-gary-michelson/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-41-norm-asbjornson/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-10-paul-allen/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-37-gordon-and-llura-liggett-gund/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-31-fayez-sarofim/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-3-ted-stanley/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-38-madison-al-and-lila-reetz-self/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-7-michael-bloomberg/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-39-raymond-perelman/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-11-john-and-laura-arnold/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-50-jon-stryker/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-28-alfred-and-judy-warrington/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-41-agnese-nelms-haury/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-41-thomas-kline/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-41-gordon-and-betty-moore/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-41-norman-and-irma-switzer/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-24-herb-kohl/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-28-john-jay-jordan-ii/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-41-the-haslam-family/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/no-41-ronald-and-eileen-lappin-weiser/2015-02-08T20:00:00-05:00monthly0.7https://sandbox.philanthropy.com/news/new-easter-seals-leader-seeks-to-make-organization-relevant-to-todays-donors/2025-10-18T14:04:16-04:00monthly0.7https://sandbox.philanthropy.com/news/100-million-oregon-donor-flaunts-her-tough-mother-reputation/2026-02-26T10:45:22-05:00monthly0.7https://sandbox.philanthropy.com/news/young-tech-donors-take-leading-role-in-philanthropy-50/2026-02-26T10:42:38-05:00monthly0.7https://sandbox.philanthropy.com/news/no-5-sean-parker/2025-10-18T14:06:49-04:00monthly0.7