Layo Starstrike is a level 55 quest giver located at Valor's Rest in the contested territory of Silithus.
He starts the following quests:
He is referred to in the WoW RPG as the ruler of the Cenarion Circle in Silithus. (LoM 53) That could mean either he was demoted recently, or his authority overtakes Commander Mar'alith's.
See List of Silithus NPCs.
He might be related to Sentinel Velene Starstrike, who is currently in Ashenvale.