Executive Board Marmara Group Foundation visited Erdoğan Demirören and presented their appreciations to him for his attention towards 16^th Eurasian Economic Summit. Dr. Akkan Suver, Cafer Okray, Yüksel Çengel and Aykut Eken also presented a souvenir of 16^th Eurasian Economic Summit to Erdoğan Demirören.