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Brian Stack

  • Adjunct Professor, Finance and Business Economics

Mr. Stack joined DoubleLine in September 2015 as a Trader, Non-Agency MBS and Whole Loans. He was promoted to Portfolio Manager in July 2019 and is responsible for investments in Residential Mortgage-Backed Securities (RMBS), whole loans, and mortgage-related assets, and additionally focuses on financing and securitization activities related to performing and non-performing mortgage loan investments. From 2012 to 2015, he served as Managing Director of Research and Trading at Illumination Asset Management, LLC, where he pursued investments within an opportunistic mortgage credit strategy. Prior to Illumination, Mr. Stack was Managing Director and Treasurer at Private National Mortgage Acceptance Company, LLC (“PennyMac”), where he was responsible for financing and liquidity management across a $2.4 billion gross asset value complex that included levered investments in non-performing loans, mortgage-servicing rights, and correspondent GSE loan originations. His previous experience also includes six years (2002 – 2008) with Countrywide Securities Corporation as Senior Vice President where he structured in excess of $70 billion of securitizations as lead structurer for the distressed residential and commercial real estate trading desks. Mr. Stack holds a BA in Economics and Political Science from Yale University.

Brian Stack


Finance + Business Economics