He earned his PhD in Biostatistics from Johns Hopkins University and also has a bachelor’s degree in English Literature. His primary research interests are in developing models for complex and dynamic disease systems, developing statistical methods that can draw accurate inferences from disease surveillance data, and optimizing design and analysis strategies for cluster- or group-randomized studies. In his active collaborations with faculty in a wide range of disciplines, he also advises on statistical issues such as missing data, model validation, and capturing variable interactions. He has taught R workshops at the Ministry of Public Health in Thailand, most recently in March 2012. While at Johns Hopkins, he received the Helen Abbey Award for Excellence in Teaching from the Department of Biostatistics.