Giles Mainsgrove was a member of the Vault-Tec Corporation's special projects division before the Great War.
Background[]
He was responsible for installing the personal vault of John-Caleb Bradberton, after which he was personally thanked and paid by Bradberton.[1]
Appearances[]
Giles Mainsgrove is mentioned only in the Fallout 4 add-on Nuka-World.