In alignment with our Company's strategic targets we have made the below changes in Türk Telekom Group's organisational structure.
• Kaan Aktan, CFO (Chief Financial Officer) leaves Türk Telekom. Ömer Karademir will be replacing Mr. Aktan.
• Dr. Mehmet Beytur, Assistant General Manager of Support Services and Procurement Management, leaves Türk Telekom. Ali Arıöz will be replacing Mr. Beytur.
• Dr. Hüseyin Aslan, Assistant General Manager of Human Resources, leaves Türk Telekom. İskender Bayrak will be replacing Mr. Aslan. Dr. Hüseyin Aslan has been appointed as the CEO of our subsidiary Sebit Eğitim ve Bilgi Teknolojileri A.Ş.
• Ali Taşkın, Assistant General Manager of Information Technologies, leaves Türk Telekom. Gökhan Evren, previously Assistant General Manager of Wholesale Services, will be replacing Mr. Taşkın.
• "Wholesale Services Assistant General Management", "Strategy, Investment and Subsidiary Management Presidency" and the Business Continuity function under the "Enterprise Risk and Business Continuity Presidency" have been merged to form "Strategy and Wholesale Services Assistant General Management". Ahmet Kamil Gençel, previously Head of Strategy, Investment and Subsidiary Presidency, has been appointed as the Assistant General Manager of Strategy and Wholesale Services.
• The Enterprise Risk and Business Continuity Presidency has been restructured as the Enterprise Risk Presidency. Ali Gürsoy, Head of Enterprise Risk and Business Continuity, leaves Türk Telekom. Serdar Toraman has been appointed as the Head of Enterprise Risk.
We would like to take the opportunity to thank our esteemed departing executives, Kaan Aktan, Dr. Mehmet Beytur, Ali Taşkın and Ali Gürsoy, for their invaluable contributions to our company and wish them all the best in their future careers and plans. We wish success to our newly appointed executive members as well as the existing ones whose responsibilities have changed.
Ömer Karademir
In 2006, he graduated from Middle East Technical University, Faculty of Economics and Administrative Sciences, Department of Economics, and in 2015 he received his Master's degree in Public Administration from Carnegie Mellon University. In 2006, he started working as an assistant expert at the Undersecretariat of Treasury, General Directorate of Foreign Economic Relations.
As of 2009, he worked at the General Directorate of Public Finance as an expert in receivables management, budget monitoring and analysis, and cash management departments, respectively. Between 2017 and 2020, he served as the Head of Department responsible for Credit Risk Management and then Market Risk Management at the same General Directorate. Between 2020-2021, he served as Assistant General Manager responsible for cash and risk management. Between 2021 and 2022, he served as a member of the Board of Directors of the General Directorate of State Supply Office.
Between 2021 and 2025, he served as the General Manager of Public Finance responsible for Treasury operations including cash, debt, risk and receivables management. In 2022, he became a member of the Board of Directors of the Development Bank of Turkey, and since 2023, he has been serving as Vice Chairman of the Board of Directors.
Dr. Ali ARIÖZ
Dr. Ali ARIÖZ was born in Ankara in 1978. He graduated from Non-Commissioned Officer Preparatory School in 1994, and Middle East Technical University, Department of International Relations in 1999. Ali ARIÖZ, who studied banking and finance at Ziraat Bank Banking School between October 1999 and October 2000, received his Master's degree in Public Administration from Carnegie Mellon University in 2009 and his PhD in Finance from Hacettepe University in 2023.
In 2000, he passed the competition exam and started to work as an Assistant Competition Expert at the Competition Authority and was appointed as a Competition Expert in 2004 after defending his thesis titled "Liberalization in the Telecommunications Sector". With the titles of Assistant Expert, Expert and Chief Expert, he conducted audits, research, investigations, SDIF (Savings Deposit Insurance Fund) asset sales and privatization projects in the telecommunications and media sectors. In 2013, he was appointed as the International Relations Coordinator; in 2015, he was appointed as the Head of the Department of External Relations, Training and Competition Advocacy; and in 2018, he was appointed as the Head of the First Audit and Implementation Department responsible for the energy, petroleum and petrochemicals, chemical products, mining, machinery and equipment sectors. Ali ARIÖZ, who also served as the acting Press and Public Relations Counsel for a while in the course of these duties, served as a member of various commissions and boards established under the Competition Authority, as well as the Conciliatory Commission of the Ministry of Culture and Tourism and the Evaluation Board of TÜBİTAK SOBAG Call Program.
Since 2024, Ali ARIÖZ has been teaching "Public Regulation in Industries" course in Turkish and English at Başkent University, Department of Economics and has published articles and book chapters on his fields of study.
He speaks English fluent and French intermediate.
İskender Bayrak
Upon completing his undergraduate education at McGill University with a double major in International Relations and Economics, İskender Bayrak had his master's degree in Human Resources Management at the same university.
He started his career at THY (Turkish Airlines) Canada in 2003, then worked as a project manager at Deva Logistics in North America, and carried out global projects across different sectors within the UK-based human resources consultancy firm The Miles Partnership.
Having joined Türk Telekom in 2011 as the HR business partner responsible for commercial functions, Bayrak served as the HR business partner responsible for channel integration and the corporate business unit during the integration process of the group companies.
İskender Bayrak was appointed as the HR Business Partnership Director in 2018 and since then he has been responsible for the recruitment, compensation management, employee experience, and outsourcing management functions. His most recent title is Employee Experience and Compensation Management Director.
Bayrak, who participated in the INSEAD Strategic Leadership program, has the professional coaching certificate of the Coaching Training Institute (CTI). He speaks advanced English and French.
Serdar Toraman
Serdar Toraman graduated from Istanbul University, Department of Electronic Engineering in 1999. Toraman, who started his career at IBM, worked in various positions at Sentim Bilişim Teknolojileri, ServisNET Telekomünikasyon Hizmetleri under NETAŞ, and Eczacıbaşı Bilişim.
Toraman, who has undertaken important roles in leading companies in the field of information technologies, worked in executive positions at Avnet Technology (TechData), Borsa Istanbul and Information Technologies and Communications Authority.
Afterwards, Toraman served as IT Director and Consultant at Türk Telekom subsidiary AssisTT Guidance and Customer Services company, and served as the General Manager of PTT Bilgi Teknolojileri A.Ş.
Serdar Toraman served as the CEO of our subsidiary company İnnova between 2020-2025.
