Yuanyuan (Iris) Xie is an experienced finance professional currently serving as Associate Director - RMBS at Fitch Ratings since October 2021, previously holding the role of Senior Analyst - RMBS. Prior to Fitch Ratings, Yuanyuan worked at MIAC - Mortgage Industry Advisory Corporation as an Associate, focusing on risk assessments and hedging strategies for Mortgage Servicing Rights (MSR) portfolios. Additional experience includes a summer internship at MetLife, where Yuanyuan improved workflow efficiencies through data automation and visualization, and internships at The Export-Import Bank of China, China Construction Bank, and TAIKANG Asset Management Company, gaining expertise in financial analysis, risk management, and asset management. Yuanyuan holds a Master's Degree in Financial Engineering from Lehigh University and a Bachelor's Degree in Insurance (Actuarial Science) from the University of International Business and Economics.