Luis von Ahn (Spanish: [ˈlwis fon ˈan]; born 19 August 1978) is a Guatemalan entrepreneur, software developer, and consulting professor in the Computer Science Department at Carnegie Mellon University in Pittsburgh, Pennsylvania. He is known as one of the pioneers of crowdsourcing. He is the founder of the company reCAPTCHA, which was sold to Google in 2009, and the co-founder and CEO of Duolingo. Early life and education. Luis von Ahn was born and raised in Guatemala City. He is of Guatemalan-German descent through his father.
https://en.wikipedia.org/wiki/Luis_von_Ahn