If you entrust line personnel with carrying out strategic objectives within the framework of their normal activities, you run the risk of seeing these strategic objectives be shadowed out by other priorities.
Good practice, therefore, is to entrust strategic projects to dedicated teams.
These teams have their own means and resources and are highly visible.
This type of approach will be most efficient if three conditions are fulfilled:
Move quickly:
Keep the projects down to a limited number: 
Implement centralized project steering: