He completed his Ph.D. in Statistics at Case Western Reserve University in Cleveland, OH, USA. His research interests in statistics include mixture modeling with applications to genetics and perinatal epidemiology as well as nonparametric regression with applications to nanoparticle characterization and Raman spectroscopy. His applied research interests include psychology, health behavior, organizational behavior, mechanical engineering, and cardiology. Dr. Charnigo serves on the editorial board of the Journal of Biometrics and Biostatistics.