The person who chairs a meeting influences more than who speaks next. They help set the agenda, judge when discussion is complete, and become the contact others approach between meetings. Rotating that responsibility prevents it from quietly settling into one person's permanent territory.
A group might rotate every meeting, every quarter, or across a longer planning cycle. Frequent rotation distributes experience quickly; longer terms give the chair more time to learn the work and maintain continuity.
Passing on the unseen work
Imagine several regional organizations sharing a network. If the largest organization always chairs, its priorities may become the default. Rotation gives other members a turn at shaping attention, but a smaller organization may lack the staff to do the administrative work.
The rotating presidency of the Council of the European Union combines rotation with arrangements for continuity. In a smaller network, a shared calendar, outgoing-chair briefing, and stable administrative support can serve a similar purpose without reproducing that institution's complexity.
Rotation is less meaningful when an experienced member controls the agenda and correspondence regardless of who holds the title. It can also burden reluctant people if taking a turn is compulsory. Sharing the chair works best when its actual responsibilities are visible and supported, so the new holder receives authority and preparation together.