John Arnold

John Douglas Arnold is an American billionaire, former hedge fund manager, and former natural gas trader. His firm, Centaurus Advisors, LLC, was a Houston-based hedge fund, composed of former Enron traders, that specialized in trading energy products.

• John Arnold shocked the hedge fund world in 2012 when, at just 38 years old, he announced he would no longer manage other people’s money.
• A hugely successful energy trader, Arnold once worked at Enron, earning the disgraced company a reported $750 million the year it went bankrupt.
• From its ashes, Arnold built his own hedge fund, Centaurus Advisors.
• In recent years Arnold has invested in solar farms and deepwater oil developments in the Gulf of Mexico.
• In 2018 Arnold and wife Laura restructured their philanthropic activities into Arnold Ventures LLC, which employs more than 80 people.