There are rare organizations where there are no bosses to tell you what to do.
In those companies, you have to look for a person or a team in need of help with a project that interests you. Or, you have to start your own project and attract others to join your team*.
I don’t work for such an organization, and chances are you don’t either. However, I recently borrowed this concept of crowdsourcing my projects. I create an email describing a project and its goal, and I send it to my contacts in related functions (like Communications or HR) and/or to my contacts in the business units. My ask is simple: would you, or someone on your team, like to join this project?
So far, I’ve had more volunteers than I need on all of my projects. Those who join are truly interested in the outcome. They weren’t voluntold. They share a specific problem and they believe that my project can help resolve it.
One or two groups stand out by never responding to the call for volunteers. But I keep sharing updates, giving them a chance to speak up or join at any time.
We can always use our authority to staff our projects. But using our leadership is much more satisfying, for everyone involved.