Duolingo, Inc.

Duolingo is a technology company that develops educational products, primarily a flagship app for language learning. The company was founded by engineers Luis von Ahn and Severin Hacker, who met at Carnegie Mellon University. Luis von Ahn, a MacArthur Fellow, grew up in Guatemala. Duolingo aims to provide high-quality education universally, believing that access should not depend on wealth, especially given the widespread availability of smartphones. The company builds smartphone-native products that are bite-sized, on-demand, and engaging to make learning accessible and effective. As of December 31, 2025, Duolingo had more than 900 employees, including over 430 engineers. Its products are powered by data analytics and AI, combined with art, animation, and design to motivate learners. The flagship app is the world's most popular way to learn languages and the top-grossing Education app in app stores.