Ms. Koo joined DoubleLine in 2009 as an Emerging Markets Portfolio Manager and Co-Director of Corporate Research. She is also a member of the Fixed Income Asset Allocation committee. Prior to DoubleLine, Ms. Koo was a Senior Vice President associated with TCW since 1998. In addition to credit analysis, she was involved in marketing and, beginning in 2006, performed increasing portfolio management duties. Previous to TCW, Ms. Koo was an Assistant Treasurer at Société Générale involved in Corporate Finance and prior to that, was an Assistant Vice President with Bank of America in the Financial Institutions Group. Ms. Koo holds a BS in Business Administration from the University of Houston and an MBA in Finance from the University of Southern California.