Mehmet Ali Yalçindag

Dogan Yayin Holding AS conducted business in the media industry. It operates through the following segments: Publishing, Broadcasting, and Others. The Publishing segment included publishing and distribution of newspaper, magazines, and books. The Broadcasting segment offers television programs, movies, advertisements, music videos, and film distribution. The Others segment comprises of financial services which makes large-scale analyses into trade receivables to eliminate possible payment problems of the customers. The company was founded in 1980 and was headquartered in Istanbul, Turkey.

Demirören Gazetecilik AS owns and operates printed and digital media properties. Its activities include content collection and management for newspapers, magazines, and television channels, as well as advertising and publishing. The company was founded by Ercument Karacan, Hatice Hediye Karacan, Atif Yonsel, Abdi Ipekçi, Nurettin Demirkol on November 16, 1960 and is headquartered in Istanbul, Turkey.

Galatasaray Spor Kulübü is a professional football club. The CEO of the Turkish company is Ömer Faruk Isik.

The International Advertising Association (IAA) is a global organization that serves as a gateway for brands and marketers seeking customers and growth across borders. The IAA is based in New York, NY, and has subsidiaries in various locations worldwide. The IAA offers thought leadership, education, professional development programs, world-class events, and networking opportunities to its members and the wider industry. The organization helps its members navigate through the ever-changing worlds of business and technology.

ADAM Pankstraße Berlin GmbH is a private company based in Dreieich, Germany. The CEOs of the German company are Mehmet Ali Yalçindag, Ozan Corgundag. The company manages commercial and non-residential buildings.