John douglas arnold biography
John D. Arnold - Wikiwand / articles.
John Douglas Arnold (born 1974) is an American philanthropist, former Enron executive and founder of Arnold Ventures LLC, formerly the Laura and John Arnold Foundation. In 2007, Arnold became the youngest billionaire in the U.S.
His firm, Centaurus Advisors, LLC, was a Houston-based hedge fund specializing in trading energy products that closed in 2012.
John douglas arnold biography
He now focuses on philanthropy through Arnold Ventures LLC.
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