From Halopedia, the Halo wiki
Tom French is the current Multiplayer Director and former senior Mission Designer and the User-Generated Content Director at 343 Industries. He joined Microsoft Studios in 2010, becoming a part of 343 Industries in 2011; prior to this, he worked at Interplay Entertainment, Black Isle Studios, and Pandemic Studios, having been lead designer on the game The Saboteur. At 343 Industries, he has worked as a mission designer on Halo 4 and as the head of Halo 5: Guardians' Forge team as UGC director. He has also helped to develop Halo 5: Forge.
French has a pet pig named Olive, which was the inspiration for the "Olive the Space Pig" forge piece and the OLIVE-class Mjolnir helmet.