Kelsey Poppen is a professional voice actor whose work spans anime, video games, animation, and narration. With over a decade of acting experience and approximately six years specializing in voiceover, she has built a career that includes collaborations with notable studios such as Crunchyroll, Amazon Prime, and Comedy Central. Beyond her voice work, Poppen also works as a marine biologist, a field she has been active in for over eleven years.

In the world of anime, Poppen is best known for her role as Anna Hanyū in the series Buddy Daddies. In this English dub production, she voiced the character opposite a cast that included Landon McDonald and David Matranga. In the same series, she also provided the voice for the minor character Hayama's Wife. Another significant anime credit is her role as Falvell in The Witch and the Beast, a series for which she expressed particular enthusiasm regarding the character's unique story arc.

Poppen’s voice acting portfolio extends significantly into video games and animated series. She has voiced Atea in the popular game Genshin Impact, as well as Lily and Medea in Devil May Cry: Peak of Combat. Other video game credits include Trudy and Nia in My Time at Sandrock and Rin in Sky of Tides. In the animation field, she has voiced Yeti and Unicorn in the Rainbow High franchise, specifically in the season titled Rainbow World. Her audio work also encompasses narrations and original productions, showcasing her dynamic range across different genres and character types.

Poppen records from a professional home studio, which allows her to collaborate remotely with studios in Los Angeles, Miami, and New York. Her background in stage acting includes performances in classical theatre productions such as Much Ado About Nothing and The Taming of the Shrew, a foundation she has credited with helping her develop a deep connection to storytelling and emotional authenticity in her voice work.