cochairman
/koʊˈtʃɛrmən/
noun
- A man who jointly chairs a meeting, committee, or organization along with one or more other people.
- As cochairman of the event, he helped organize the guest speakers.
- The committee's cochairman worked closely with the treasurer to balance the budget.
- The cochairman of the board announced the new policy at the annual meeting.
Synonyms