Ep. 042: Karin Tsai - How Duolingo grew to over 300 million learners and became a unicorn from Pittsburgh
Karin Tsai is a Director of Engineering at Duolingo, is the most popular language-learning platform and the most downloaded education app in the world, with more than 300 million users.
In December 2019 Duolingo was valued at $1.5 billion, making it Pittsburgh’s first startup to reach "unicorn" status.
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