Asela Dassanayake successfully completed The Data Scientist's Toolbox course offered through Coursera by Johns Hopkins University with distinction in February 2015. The course provided an overview of the conceptual ideas and practical tools used by data analysts and scientists such as version control, markdown, git, GitHub, R, and RStudio. The course was instructed by Jeffrey Leek, Roger Peng, and Brian Caffo of Johns Hopkins Bloomberg School of Public Health.