steering committee 
(also steering group)
noun
A committee that decides on the priorities or order of business of an organization and manages the general course of its operations.The festival steering group is committed to organic growth....
- The new club is run by a steering committee and has sub committees of Boat fishing, Shore fishing, Boat owners and Juniors.
- However I hope that the steering group and sub committees do not get hijacked by certain groups whom hold extreme views and personal agendas.