Before the marketing consolidation, each GM division:
Had a staff for events and promotions.
Employed its own marketing services manager.
With the consolidation, GM:
Consolidated most marketing services under John Middlebrook, GM's vice president of brand marketing.
Eliminated divisional posts of marketing services manager.
Assigned larger role to EventWorks and formed RWorks for regional promotions.
Handed promotions to divisional ad directors and cut promotion staffs.
Kept marketing services manager at Cadillac.