co-head
nounUK /ˌkəʊˈhɛd/
US /ˌkoʊˈhɛd/
A co-head is a person who leads a group together with another person.
She is the co-head of the school science club.
OTHER MEANINGS
2. One of two or more people who share the top job in an organization.
The two co-heads of the company made the decision together.
3. To lead something together with another person.
They co-head the department as equal partners.
4. A person who shares the main role in a project or event.
He was a co-head of the charity fundraiser.