Chuan Zhou, PhD, is Research Associate Professor in the Department of Pediatrics at the University of Washington, and investigator in the Center for Child Health, Behavior and Development at the Seattle Children’s Research Institute. He is also an affiliated Research Associate Professor in Health Services at the University of Washington. Dr. Zhou received his BS in statistics from Peking University, MS in Statistics from University of Maryland, MS and PhD in Biostatistics from University of Washington. He was Assistant Professor of Biostatistics at Vanderbilt between 2005 and 2008. Since Joining Pediatrics at University of Washington and Center for Child Health, Behavior and Development at Seattle Children’s Research Institute, Dr. Zhou has performed analyses and provided statistical guidance for a wide range of clinical and health services research projects, including both clinical trials and large observational studies ranges from media impact on kids to adolescent depression management. His own statistical research interests include missing data, multilevel modeling, longitudinal data analysis, causal inference, and health care performance evaluation, among others.