David Huang is a doctoral student in the Marketing Unit at Harvard Business School. He is broadly interested in causal inference and machine learning with application to consumer behavior in online markets and customer lifecycle management. Before joining HBS, David was a consultant at Mastercard Data & Services (Applied Predictive Technologies) and a data team lead at Migo.tv, where he worked on a range of data science projects, particularly in customer lifecycle management, experience personalization, and business experimentations. He graduated from National Tsing Hua University with a BS in Quantitative Finance and completed his MS in Statistics from National Taiwan University.