başkanlığında

başkanlığında

"Under the presidency/chairmanship/leadership of."

The word 'başkanlığında' is used here to indicate that the meeting was conducted under the leadership or supervision of the director.

Toplantı, müdür başkanlığında gerçekleştirildi.

The meeting was held under the chairmanship of the director.

Here, 'başkanlığında' shows that the project operates under the jurisdiction or direction of the mayor.

Proje, belediye başkanlığında yürütülüyor.

The project is being carried out under the mayor's administration.

In this sentence, 'başkanlığında' implies that the volunteer was leading or presiding over the organization of the campaign.

Kampanya, gönüllü başkanlığında organize edildi.

The campaign was organized under the chairmanship of the volunteer.