President of the Marmara Group Foundation Dr. Akkan Suver, Vice President of the Marmara Group Foundation Yüksel Çengel and Member of the Board of Trustees Atty. Turan Hançerli paid a courtesy visit to Ekrem İmamoğlu, the Mayor of Istanbul Metropolitan Municipality. Dr. Akkan Suver, Yüksel Çengel and Atty. Turan Hançerli made a presentation about the 25th Eurasian Economic Summit to Ekrem İmamoğlu in the visit.