Lily Xu is a computer science PhD student at Harvard developing AI techniques to address environmental challenges. She focuses on advancing methods in machine learning, sequential decision-making, and game theory for biodiversity conservation through preventing illegal wildlife poaching. Much of her research has centered around the PAWS system to predict poaching hotspots. Lily co-organizes the Mechanism Design for Social Good (MD4SG) research initiative and serves as AI Lead for the SMART Partnership. Her research has been recognized with best paper runner-up at AAAI, the INFORMS Doing Good with Good OR award, and a Google PhD Fellowship.