Chairmanship (noun)

1. The position of chairman, the person who presides over a meeting or organization.
2. The office or position of the person who presides over a meeting, organization, or committee.

Origin:

Late 18th century: from chair + -ship.

Examples:

1. The chairmanship of the committee was passed on to the new member.
2. He was elected to the chairmanship of the board.
3. The chairmanship of the organization was rotated among the members.
4. He was elected chairman and given the responsibility of leading the board.
5. The chairmanship of the meeting was handed over to the next speaker.