In 2007 he announced that most of his fortune would be administered by the [[Gates Foundation|Bill & Melinda Gates Foundation]]. He pledge 10 million shares of Berkshire Hathaway stock to the foundation, and as of 2010 has deliver 25% of the pledged shares, valued at around $6 billion. [http://www.gatesfoundation.org/about/Pages/implementing-warren-buffetts-gift.aspx]
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In 2007 he announced that most of his fortune would be administered by the [[Gates Foundation|Bill & Melinda Gates Foundation]]. He pledged 10 million shares of Berkshire Hathaway stock to the foundation, and as of 2010 has delivered 25% of the pledged shares, valued at around $6 billion. [http://www.gatesfoundation.org/about/Pages/implementing-warren-buffetts-gift.aspx]