Matthew Fox, DSc, MPH, is a Professor in the Departments of Epidemiology and Global Health at Boston University. Dr. Fox joined Boston University in 2001. Before joining Boston University, he was a Peace Corps volunteer in the former Soviet Republic of Turkmenistan. His research interests include treatment outcomes in HIV-treatment programs, infectious disease epidemiology (with specific interests in HIV, pneumonia, and malaria), and epidemiologic methods. Dr. Fox is currently working on ways to improve retention in HIV-care programs in South Africa from the time of testing HIV-positive through long-term treatment. Dr. Fox also does research on quantitative sensitivity analysis and recently co-authored a book on these methods, Applying Quantitative Bias Analysis to Epidemiologic Data. He currently teaches a third-level epidemiologic methods class. Dr. Fox is a graduate of the Boston University School of Public Health with a master’s degree in epidemiology and biostatistics and a doctorate in epidemiology.