Tim Callahan is an experienced finance professional specializing in residential mortgage-backed securities (RMBS). Currently serving as Director of RMBS at S&P Global Ratings since September 2015, Tim has also held critical roles such as Residential Mortgage Loan Review Specialist at Interthinx from 2009 to 2015, and Vice President of Mortgage Funding at Credit Suisse from 2004 to 2007, where responsibilities included managing a middle-office team and funding residential whole loans. Prior experience includes serving as Vice President in Whole Loan Repo at Nomura Securities, overseeing a significant financing operation. Tim holds a Bachelor of Science degree in Marketing from the University of Scranton, earned between 1984 and 1988.
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