@LuisvonAhn @duolingo When von Ahn heard that his language-learning app had become a vital teaching tool in refugee camps, his company waived the fees for over 135,000 displaced and low-income students for its English proficiency test.

@LuisvonAhn @duolingo The National Geographic 33—inspired by our 33 founders—is an initiative honoring changemakers who are rising to meet the most critical challenges of our time, making meaningful progress and incredible breakthroughs.

Received a commission with the Duolingo character Lily. The reference for the request was an art made by the artist @BadBlue98. I simply loved the design. Full credits to him. My commissions are open. Help me produce more art like this. Pls 😊 #art# #duolingo# #digtalart# #gothgirl#

#NatGeo33# changemaker @LuisvonAhn, @duolingo co-founder and CEO, is helping refugees overcome barriers to language education and empowering those who need language learning most. See how von Ahn’s work is helping learners worldwide: