Choi Seung-yoon is a dancer, choreographer and actor based in Seoul, South Korea. She began training in ballet at the age of five and has a BA degree in dance from Ewha Womans University. Early in her career, Choi produced and performed in her own dance productions that received grants from Arts Council Korea and the Seoul Art Council. Her work has been invited by the Korea National Contemporary Dance Company, Tanzfabrik Berlin, and European Lab Forum.

As an actor, Choi has appeared in the short web series Deux Yeoza, Dxyz (nominated for an Emmy in 2019 for Short-Form Series), and Family Portrait. In 2019, Choi co-directed and starred in I By You By Everybody (2019), a fiction-documentary feature film about dancers' lives in Seoul, which screened at several film festivals including Busan International Film Festival and Doclisboa.