Duolingo

Duolingo is founder-led by CEO Luis von Ahn with co-founder leadership and a product-centric culture. The company has a track record of shipping effective engagement mechanics, expanding premium tiers, and using AI to accelerate content creation and new learning experiences.

The dual-class structure aligns with long-term product investment but concentrates control. Execution around growth with expanding profitability through 2024 and 1H 2025 supports management quality.