Known for creating both the Rogers International Commodities Index (RICI) and the Quantum Group of Hedge Funds, this investor and financial executive also published a 2005 book titled Hot Commodities: How Anyone Can Invest Profitably in the World's Best Market.
After earning a history degree from Yale University, he worked briefly on Wall Street before studying economics, philosophy, and politics at Oxford University.
He taught several finance courses at Columbia University's Business School.
After marrying Paige Parker, a woman nearly thirty years his junior, he became a father to two daughters.
He co-founded the Quantum Group with fellow Arnhold and S. Bleichroder investment bank employee George Soros.