Ning Qiao focuses on the research and development of collateral models for nonagency residential mortgage-backed securities. Previously, she worked as a quantitative developer at London Stock Exchange Group, responsible for developing the analytics platform for securitized products. At Fitch Ratings, Ning worked in the group that validated credit-risk models for various securitized products. She has a master’s degree in mathematics of finance from Columbia University, as well as a bachelor’s degree in mathematical finance from Xiamen University.