Coordinator (noun)

1. A person responsible for coordinating the activities of a group or organization.
2. A person responsible for coordinating different elements of a project or event.
3. A person responsible for coordinating the efforts of different people or groups to achieve a common goal.

Origin:

From latin coordinatus, past participle of coordinare ("to bring together, coordinate"), from co- ("together") + ordinare ("to order, arrang.e")

Examples:

1. The event coordinator was responsible for organizing the event.
2. The project coordinator was responsible for coordinating the different teams.
3. The coordinator was responsible for coordinating the different departments.
4. He was appointed as the coordinator of the committee.
5. She was the coordinator of the volunteer program.