After reading the article "Amerikas Superreiche starten Spendenrevolution" at spiegel.de, i found Mr. Ellisons name on the givingpledge.org-website.
The Giving Pledge is an effort to invite the wealthiest individuals and families in America to commit to giving the majority of their wealth to the philanthropic causes and charitable organizations of their choice either during their lifetime or after their death.
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