Christopher Yost was born on February 21, 1973 in St. Louis, Missouri. Christopher Yost best known as the head writer of the Marvel Comics animated series The Avengers: Earth's Mightiest Heroes and co-writer (with his frequent collaborator Craig Kyle) of the comic book series X-23: Innocence Lost, X-23: Target X, New X-Men, X-Force, and Scarlet Spider (volume 2). Yost was a member of the Marvel Writers Program and has worked as a screenwriter for Marvel Studios' Marvel Cinematic Universe with Thor: The Dark World (2013) and Thor: Ragnarok (2017).

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