Luis von Ahn is a Guatemalan-American entrepreneur and software developer, widely recognized as a pioneer of crowdsourcing. He is the co-founder and CEO of Duolingo, a language-learning platform, which he started with Severin Hacker in 2011. Prior to Duolingo, von Ahn founded reCAPTCHA, a company that was acquired by Google in 2009. His work aims to leverage technology to make high-quality education accessible globally and to foster a desire for learning.