chairperson
nounUK /ˈtʃeəpɜːsn/
US /ˈtʃerpɜːrsn/
A chairperson is the person who leads a meeting or a group.
The chairperson opened the meeting and asked everyone to sit down.
OTHER MEANINGS
2. The person in charge of a company's board of directors.
She was elected chairperson of the board last year.
3. The head of a department or organization.
The chairperson of the English department welcomed the new students.
4. A person who runs a formal discussion or debate.
The chairperson kept the debate fair and on time.