John Jackson Miller
From Halopedia, the Halo wiki
John Jackson Miller (born January 12, 1968) is an American science-fiction author and comic book writer. Miller wrote the Halo: Fractures short story Defender of the Storm and also worked with 343 Industries on the Halo: Tales from Slipspace graphic novel story Undefeated. Miller was also one of the writers for the Halo: Rise of Atriox comic book anthology.
John Jackson Miller is a New York Times bestselling author who is well known for his work on the Star Wars franchise. Some of his notable works are the Knights of the Old Republic and Knight Errant comic series published by Dark Horse Comics, as well as novels from Del Rey which include Star Wars: Kenobi and Star Wars: A New Dawn. He also researches comic book circulation figures on his history site, The Comics Chronicles.