As a business leader, do keep on engaging with Enterprise Architects regularly. Your business depends on it.
You are the captain, Architect is the navigator. You say where to go, Architect says how to get there.
At least twice per year check with your Enterprise Architects, are you actually where the markets wanted you to be.
Vision and Road-map are long term navigation maps, best owned by good and forward-thinking Enterprise Architects. Don’t let something “amazing” surprise you, as it happened to NOKIA