From Halopedia, the Halo wiki
Kevin Grace is a former managing editor for 343 Industries and former franchise manager for the Halo franchise from 2009 to 2018. He worked closely with internal and external talent crafting many Halo universe titles, including books, comics, animation and games. In addition, he has partaken in the editing of Halo 3, Halo 3: ODST and a variety of other games published by Microsoft Game Studios. He comes from a Midwestern attorney upbringing and now lives in Seattle, Washington with his wife Karen.
He wrote the short story The Return in Halo: Evolutions, most of the content in the Halo Combat Evolved Anniversary terminals,  Halo 2 Anniversary terminals, and Anarosa in Halo: Fractures. He was the lead writer and narrative designer for Halo Wars 2 and its DLC. He also contributed to Halo Infinite as narrative designer via character creation, mission scripting, and world building.