He choreographed routines for K-pop stars like BTS and Seventeen. Now he’s building AI for dance.0

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• August 4, 2026

K-pop’s biggest stars, from BTS to Seventeen, have danced routines that Youngjun Choi choreographed. Now, the top choreographer is betting that AI can help anyone with an idea, a phone, and no dance training to create the next hit K-pop dance. It all started six years ago when Choi met Joon Jung, then a dancer