Management Team

​​ Please find below detailed information on our management team.​

Kaan Terzioğlu - Genel Müdür 

Kaan Terzioğlu - Chief Executive Officer

Kaan Terzioğlu was appointed Turkcell’s Chief Executive Officer on April 1, 2015. He began his professional life in 1990 as an Independent Auditor and CPA at Arthur Andersen Turkey. In 1992, Mr. Terzioğlu joined Arthur Andersen USA as the IT Strategies and Security Specialist, and in 1994, began working at Arthur Andersen Belgium as the Leader of Information Management and Digital Strategy Services. In 1998, he was appointed Vice President of Consultancy Services Turkey Operations. Between 1999 and 2012, he served as the Team Leader of E-Commerce Strategies for the EMEA region, Sales Director of Advanced Technologies for the EMEA region, Managing Director of Technology Marketing Organization for the EMEA region, and Vice President of Central and Eastern Europe at the Cisco Systems Brussels branch, respectively. Between April 3, 2012 and April 1 2015, Mr. Terzioğlu was a Member of the Board of Directors at Akbank, Aksigorta A.Ş., Teknosa İç ve Dış Ticaret A.Ş. and Carrefoursa A.Ş. Kaan Terzioğlu graduated from the Department of Business Administration at Boğaziçi University.


Osman Yılmaz – Executive Vice President – Finance (CFO)

Osman Yılmaz was appointed as the Chief Financial Officer on August 1, 2018. Mr. Yılmaz started his professional career at Türkiye İş Bankası Treasury Department in 2006. In 2007, he worked at BNP/TEB Treasury Department responsible for Balance Sheet Management. Between 2008-2016, he held several positions at HSBC Global Asset Management including senior fund ma nager in structured products and as Group Head of Fixed Income and Multi Asset Funds. In August 2016, he was appointed as Director responsible for Treasury, Risk and Collection Management in Turkcell. Mr . Yılmaz holds a dual BSc degree in Economics and Management from London School of Economics and Istanbul Bilgi University, MSc in Financial Engineering from Boğaziçi University and a PhD in Finance from Ozyegin University.


Serhat Demir - Executive Vice President - Legal and Regulation

Serhat Demir joined Turkcell as the Executive Vice President of Legal and Regulation Function in May 2015. Mr. Demir started his professional career in 1997 at Dun&Bradstreet. He worked as a lawyer and held executive and directorial positions responsible for legal affairs at Yıldız Holding and Çalık Holding A.Ş.. He was a member of the board of directors of Çalık Holding AS and Albtelecom ShA and currently is a member of the board of directors of Banka Kombetare Tregtare ShA and Aktif Yatırım Bankası A.Ş. Serhat Demir graduated from the Faculty of Law at Istanbul University and has a Masters of Business Administration degree.


Murat Erkan - Executive Vice President - Sales

Murat Erkan joined Turkcell Group in June 2008 as the General Manager of Turkcell Superonline and in December 2015, he was appointed as the Executive Vice President of Sales. Prior to this position, he had served as the Senior Vice President of Retail and Active Sales and Senior Vice President of Home and Consumer Business, respectively. Mr. Erkan, who started his professional life at Toshiba, became an Application Engineer at Biltam Mühendislik and then became the first “System Engineer” of Turkey at Cisco Turkey. He served as Chief Officer at Cisco Systems in charge of technology, sales, business development and channel management for ten years. Prior to his position at Turkcell Superonline, Mr. Erkan had been the Business Unit Manager at Aneltech working on solutions related to Telecommunication, Mobile, ICT, the defense industry and industrial products sectors since 2006. Murat Erkan graduated from the Yıldız Technical University Electronics and Telecommunication Engineering Department in 1992. He completed the Strategic Marketing Program at Harvard Business School in 2010.


Seyfettin Sağlam - Executive Vice President - Human Resources

Seyfettin Sağlam joined Turkcell as the Chief Group Human Resources Officer in July 2014. He began his career in MSC Consulting lnc. in 1998. He worked as a HR professional at Tekstilbank and as the Human Resources Group Manager at Yıldız Holding, responsible for the Packaging, IT, Finance and Retail Groups. He served as the Assistant General Manager of T.C. Ziraat Bankası. Subsequently, he was appointed Vice Chairman and Member of the Executive Committee at Rixos Hotels and Sembol Construction Inc. Mr. Sağlam served as an Executive Vice President of Borsa İstanbul. He graduated from the Department of Sociology at Middle East Technical University. He received a Master’s degree from the Marmara University Business Administration Department in International Quality Management. He completed the HR Management & Leadership Programs at INSEAD. He is also an Executive Board Member of PERYÖN.


İlter Terzioğlu - Executive Vice President - Strategy

İlter Terzioğlu joined Turkcell in 2003 as Business Strategies, Regulation and Risk Consolidation Division Head. In October 2015, he was appointed as the Executive Vice President of Strategy. Previously, he served as Senior Vice President of International Business under the Strategy Function. He has also undertaken the roles of acting Chief of International Business, Chief Strategic Projects Officer and Chief Network Operations Officer at Turkcell. Prior to joining Turkcell, he had worked as Assistant General Manager at Turkcell Group companies, including Show TV and Superonline. He had worked for Ericsson Turkey as the Assistant General Manager responsible for Turkcell between 1994 and 2002. He graduated from the Department of Econometrics at Istanbul University.


Ayşem Ertopuz - Executive Vice President - Digital Services and Solutions

Ayşem Ertopuz joined Turkcell in January 2016 as Strategic Planning Director. In November 2016, she was appointed as the Executive Vice President of Digital Services and Solutions. She started her career at Arçelik A.Ş., where she had served as Quality System Engineer between 1993-1997. She started to work in Arthur Andersen in 1997 as Strategic Consultancy Services Manager. Joining Cisco’s EMEA Region Organization in 2001 in Belgium, Ayşem Ertopuz took managerial roles in several functions including Strategic Planning, Business Intelligence, Operations and Global Customer Management. She served as the manager of Business Intelligence Group within Cisco’s New York based Global Sales Strategy and Planning organization between 2006 and 2015, focusing on the fields of Service Providers sector, market and competition dynamics, business strategy and performance, utilization of digital services in new business models. Ayşem Ertopuz graduated from Middle East Technical University Industrial Engineering Department and received her MBA degree from New York University, Stern School of Business.


Serkan Öztürk - Executive Vice President - Customer Experience and Information Technologies

Serkan Öztürk joined Turkcell in 2000 as Project Supervisor. In August 2017, he was appointed as the Executive Vice President of Customer Experience and Information Technologies. Previously, he worked as project supervisor and manager at Turkcell Project Management office between 2000-2009. He served as Chief Information Technologies Officer in Astelit between 2009-2010 and in Turkcell Superonline between 2010-2011. Prior his to his last appointment, he served as director of Customer Relations Management and Business Intelligence Solutions (CRM & BIS) and Executive Vice President of Information and Communication Technologies. Serkan Öztürk graduated from Middle East Technical University Electrical and Electronics Engineering department. He received his MBA degree from Istanbul University.


Gediz Sezgin - Executive Vice President - Network Technologies

Gediz Sezgin joined Turkcell as Network Engineer in 1995. In October 2015, he was appointed as the Executive Vice President of Network Technologies. Previously, he was Senior Vice President of Information and Communication Technologies, Chief Information and Communication Technologies Officer, Director of Application Operations, Director of Service Network under the ICT Function and held various executive positions in the Technology Function. Mr. Sezgin started his career at Alcatel Teletaş in 1991. He graduated from İstanbul Technical University in Electronics and Communication Engineering and received his Master’s degree from the same university.


Ali Türk - Executive Vice President - Supply Chain Management

Ali Türk joined Turkcell as the Senior Vice President of Supply Chain Management in May 2016. He was appointed as the Executive Vice President of Supply Chain Management in March 2017. Ali Türk graduated from the Industrial Engineering Department of Istanbul Technical University in 1999 and completed Istanbul Technical University Executive MBA program in 2001. Mr. Türk started his career at Başak Hayat Sigorta in 1999. Between 2002 and 2007, he held various management positions responsible for logistics planning, warehouse and supply chain management processes at Ülker Group Companies. Between 2007 and 2011, he worked at Ceva Lojistik as Warehouse and Value Added Operations group manager. Joining Turkish Airlines in 2011 as Cargo Operations Vice President, Mr. Türk has served as Turkish Airlines Cargo Operations President since 2012.

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