Chris Sanchez is a Senior Data Scientist at Microsoft working in the Office of the CTO under the Strategic Mission & Technologies division. Prior to his current role he focused on building Information Retrieval (IR) systems for customers in the national security domain. During that time he pioneered semantic-based search methods that focused on relevance at the whole-document level. His domain knowledge in the national security arena stems from his prior military career with Naval Special Warfare. He holds a Masters degree in Data Science from UC Berkeley.