Sam Chatterjee is a Chief Data Scientist with focus on applied statistics, data science, network science, and computational modeling/simulation in support of national security and computational science challenges. He leads a technical team of computer scientists and data scientists, and has an affiliate faculty appointment with Northeastern University at Boston.Doctorate in Engineering with 14 years of experience in infrastructure risk, resilience, and decision analytics, network science, probabilistic modeling, statistical learning, data mining, multi-method simulation, and optimization.