This document is a certificate of completion for the Data Science Specialization from Johns Hopkins University on Coursera. The specialization consisted of 10 courses covering the concepts and tools needed for data science, including R programming, getting and cleaning data, exploratory data analysis, reproducible research, statistical inference, regression models, practical machine learning, developing data products, and a capstone project. Santanu Dutta successfully completed the online, non-credit specialization in data science.