Yuchao Ma is an Applied Scientist in IPC (Inventory Planning and Control) within Amazon’s SCOT (Supply Chain Optimization Technologies) team. Her current work is focused on developing model-based systems to automate and optimize inventory selection for Amazon Retail. She had a doctorate in Computer Science from Washington State University. Her work at WSU was to leverage machine learning algorithms and sensor-based wearable computing for human motion analysis, with a preference to healthcare applications. Her research interests include machine learning, reinforcement learning, knowledge inference, and wearable computing