People often resist change for reasons that make good sense to them, even if those reasons don't correspond to organizational goals. So it is crucial to recognize, reward, and celebrate accomplishments.
Leaders deliver confidence, that's what they do. They make decisions, they set strategy, they do all the technical stuff, but they also have to make people feel confident that their efforts will pay off.
The point of new venturing is to stimulate a range of ideas that build corporate resilience -- the ability to keep enriching core businesses by incorporating new modes (whether products, distribution channels, or markets) while discovering potential new directions that might not only be internal ventures but also an acquisition or an alliance.