Dr. Wei Liu is a data scientist at Christiana Care Health System, Delaware, one of the largest health systems nationwide. She is leading the enterprise’s advance analytic efforts with a focus on developing data mining and machine learning models for patient risk stratification, clinical decision support, population health management, and health equity evaluation. Prior to joining Christiana Care, Wei worked as a Senior Data Analyst at Children’s Hospital of Philadelphia(CHOP), where she conducted advanced data analytics to support decision making of hospital operation and patient flow, and as an Industrial Engineer at MD Anderson Cancer Center focused on process optimization and quality improvement. Wei holds a Master of Science in Health Systems from Georgia Institute of Technology in 2009 and Ph.D. in Industrial Engineering from Purdue University in 2017. Wei has a great passion for promoting quality and efficiency in a healthcare system with a special interest in using data-driven approaches to support decision making.