There’s some great advice in this article for those, like me, who are leading innovation projects in 2018:

Your role is to make noise around the idea so that potential stakeholders are excited to learn more about it. At this stage, it’s really important to reach out to key individuals within the company and ask for advice, so you can more easily establish an affiliation between them and the new activity, and cultivate a community of internal supporters.
Source: TNW