J.P. Morgan’s head of Global Commodities, responsible for the global team that provides integrated physical and financial commodity solutions products for clients. The business provides market-making, structuring, risk management, financing and warehousing capabilities across a full spectrum of commodity asset classes. She was named to this position in 2007, since when she has also served on the JPMorgan Chase Executive Committee. From 2004 to 2007, she was chief financial officer of the Investment Bank, since when she has served on the Investment Bank Operating Committee. Prior to that role, Blythe was J.P. Morgan’s head of Global Credit Portfolio and Credit Policy and Strategy, and was responsible for managing the credit and market risks of the bank’s retained credit positions, the development of credit strategy, policies, infrastructure and limits to measure and control credit risk.