 Arnold Ventures LLC

Arnold Ventures (formerly known as The Laura and John Arnold Foundation) brings "philanthropy and political giving together in a new limited-liability corporation" run by John D. Arnold, a former Enron trader and American hedge fund manager, and his wife Laura Arnold.The organization was founded in 2008, the same year that the Arnolds signed the Giving Pledge, a pledge by some high-net-worth individuals to donate a large fraction of their income to philanthropic causes during their lifetimes.