Head of Efficacy Research

Duolingo reaches hundreds of millions of learners worldwide, and the Efficacy Research Lab exists to answer a fundamental question: Does that learning actually last? This is one of the most important research programs in consumer education, with a scale, dataset, and real-world impact that few academic or industry environments can match. This role is based in Pittsburgh or New York.   🧠  You will... Set the vision and strategic direction for Duolingo’s Efficacy Research Lab, with language learning as the primary focus and a growing mandate across Math and future subject areas. Lead the design and execution of rigorous efficacy research, from framing the right questions through study design, data collection, analysis, interpretation, and communication of results. Serve as a player-coach to a team of 3 researchers: setting priorities, providing scientific guidance, and contributing directly to the work where your expertise has the greatest leverage.