Luis von Ahn, Ph.D., is a Guatemalan-American computer scientist, the self-made billionaire Co-founder and CEO of Duolingo (NASDAQ: DUOL), the dominant language-learning platform. His career is rooted in elite computer science, large-scale technology innovation, and social purpose.

Von Ahn graduated with a B.S. in Mathematics from Duke University and a Ph.D. in Computer Science from Carnegie Mellon University (CMU). His philosophical approach centers on creating large-scale social good through technology (Human Computation) and making education accessible globally. He is the inventor of CAPTCHA and reCAPTCHA (sold to Google in 2009).

• Duolingo (Co-founder & CEO): The core publicly traded asset, the world's largest language-learning platform (using a gamified, free-to-learn model).
• CAPTCHA/reCAPTCHA (Inventor): He invented the security and digitalization tools used by millions of websites (sold to Google).
• Academic Background: He is a CMU Professor and holds a Ph.D. in Computer Science.
• Social Impact: His goal is to provide a free, accessible language education to the world (tying learning to translating content for clients).

Dr. Luis von Ahn's strategic genius was his commitment to solving massive societal problems with mass-scale technology. reCAPTCHA: His work at CMU led to the invention of CAPTCHA and reCAPTCHA (using human input to digitize books for Google), which he sold to Google in 2009 (a major financial exit).

2011: Duolingo. He co-founded Duolingo with his student, Severin Hacker, recognizing that language learning was a global luxury. Duolingo's structural contribution is immense: pioneering the gamified, mobile-first language learning model (which is free for users). The company successfully executed its IPO on the NASDAQ in 2021. His wealth is secured by his long-term equity stake in the publicly traded company and the colossal, stable, and continuous profitability of the global EdTech sector.