Nusret Orhun Köstem

Nusret Orhun Köstem is currently the Chairman at CarrefourSA Carrefour Sabanci Ticaret Merkezi.
AS and the Vice Chairman at Sabanci Climate Technologies.
He is also serving as a Director at Kordsa Teknik.
Tekstil AS, Enerjisa Enerji AS, Enerjisa Üretim Santralleri AS, and Akbank TAS.
Additionally, he is a Member of the World Business Council for Sustainable Development, Head-Finance at Haci Ömer Sabanci Holding AS, a Member of the Supervisory Board at Çimsa Sabanci Cement BV, a Member of The CFO Network LLC, a Member of CFA Society Istanbul, and a Trustee at Sabanci University.
Formerly, Mr. Köstem worked as the Finance Director at Efes Breweries International NV, Regional Director-Middle East & Pakistan at Coca-Cola Icecek AS, Head-Finance at AG Anadolu Grubu Holding AS, Chief Financial Officer at Efes Beverage Group, and Chief Financial Officer at Anadolu Efes Spor Kulübü.
He holds an MBA from Middle East Technical University and completed his undergraduate studies at the same institution in 1991.
He also has a graduate degree from Istanbul Bilgi University.