The Actuarial Society of Turkey (Turkish: Aktüerler Derneği, TAC) is the association of actuaries in Turkey. It is a professional organisation whose purpose is the advancement of actuarial science applied to property, casualty, and similar risk exposures. The Society was founded in 1951 under the name Türkiye Aktüerler Cemiyeti and from initial twelve members it has grown to more than 119. The Society is an associate member of the International Actuarial Association. Current chairman of the Society is Orhun Emre Çelik. In 1951, there were twelve founding members of the Society: