Vishwajit Sen completed The Data Scientist's Toolbox course from Johns Hopkins University on Coursera with distinction in May 2014. The course provided an overview of the conceptual ideas and practical tools used by data analysts and scientists, including version control, markdown, git, GitHub, R, and RStudio. The course was offered by Jeffrey Leek, Roger Peng, and Brian Caffo from the Department of Biostatistics at the Johns Hopkins Bloomberg School of Public Health.