Jason Rosenfeld is the Director of Basketball Analytics at the NBA League Office headquarters in New York City.

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His analytics team supports league-wide decisions focused on rules and league structure. Recent research areas include the impact of deliberate fouling, the development of new metrics to quantify player hustle ('hustle stats'), and experimental rules tested in the NBA's Development League.  The group produces reports and presentations for league and team executives, and also works with individual teams.  It also led the planning for the first ever NBA Basketball Analytics Hackathon.

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Jason served as an Adjunct Instructor at the NYU School of Professional Studies, where he created Basketball Analytics 101, a course designed to survey the statistical and technological tools used in basketball. He now serves as an Adjunct Instructor at Columbia University, where he also teaches Basketball Analytics. He is on the Editorial Board for the Journal of Sports Analytics. He has also contributed to the professional literature extensively, and has lectured at Harvard, Columbia, and the University of Toronto.

Prior to joining the NBA League Office, Jason served as the Director of Basketball Analytics for the Charlotte Hornets.  He has experience abroad, as the Assistant General Manager of the Shanghai Sharks of the Chinese Basketball Association (CBA), and as a statistical consultant for the Ukraine National Basketball Team.  He started off his basketball analytics career with an internship with the Houston Rockets.