My friend & colleague Michael McCalla posted the following advice on LinkedIn:
Am I oversimplifying?
Whenever organizations come to us inquiring about Enterprise (or Business) Agility adoption, here is our advice:
1. Start with a thin horizontal slice across different units of an organization in which people collaborate to deliver value. Call it a value stream if you want:)
2. Engage each layer (Individual Contributors, Teams, Middle Management, and Senior Leadership) for all impacted parties and involve them in the change. Call this a vertical slice if you like:)