Dr. Ching-Yun Wang is a biostatistician whose research interests center on measurement error, missing data, joint modeling of survival and longitudinal data, and analysis of clinical trials. His research group has been involved with many biomedical and epidemiological studies, such as trials testing how diet and physical activity can prevent cancer. For example, one such study in overweight and obese women found that weight loss reduced the levels of hormones related to breast cancer risk. He has also worked on trials of screening strategies for colorectal cancer. His expertise also includes the development of semiparametric regression models, and high-dimensional biomarker data and classification.