Bella Yang is a skilled data scientist with extensive experience in various industries, including positions at OpenAI, Alchemy, Airbnb, Facebook, and Walt Disney World. Currently a Member of Data Science Staff at OpenAI since April 2025, Bella previously focused on blockchain data as a Data Scientist at Alchemy. At Airbnb, experience included work in paid growth, customer support, and risk management. Bella's expertise encompasses causal inference, analytics, and machine learning, particularly in risk modeling. Notable contributions at Facebook involved optimizing Instagram monetization and ads placements, while at Walt Disney World, Bella was instrumental in developing a dynamic pricing system and forecasting models using advanced statistical techniques. Bella holds a Master of Science in Statistics from the University of Illinois Urbana-Champaign and a Bachelor of Science in Statistics from Sun Yat-sen University.
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