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Wei Sheng Tan is a Senior Data Scientist at DKATALIS since February 2023, focusing on fraud detection including face swap and gambling transaction detection, as well as credit risk analysis with default rate forecasting and customer segmentation models. Previously, Wei Sheng Tan served as a Senior Data Scientist at AirAsia from May 2021 to February 2023, specializing in route revenue management and dynamic pricing models. Wei Sheng Tan's career began as a Quantitative Developer at Deriv.com, where responsibilities included developing real-time pricing systems and risk monitoring tools, after initially working as a Quantitative Analyst. Wei Sheng Tan holds a Master of Science in Computer Science from The University of Texas at Austin and a Bachelor of Science in Actuarial Science from Heriot-Watt University.