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Ling Qiu is a Principal quantitative analyst at Caisse de dépôt et placement du Québec (CDPQ) since September 2022. Prior to that, Ling served as a Senior AI Scientist at National Bank of Canada, where they led the development of AI-based risk models for credit card default prediction, resulting in increased profits for the bank. Ling also worked at Statistics Canada as a Data Scientist focusing on spatial data quality assessment and integration, as well as at Zenith as a Planning Manager, where they designed statistical models for advertising budget allocation based on sales targets. Ling holds a Master's degree in Data Science and Business Intelligence from HEC Montréal and has additional education in deep learning, recommender systems, and machine learning in finance.