BIST Increasing AFYON.E 6.9 20.00 % PAPIL.E 6.33 19.89 % ASLAN.E 45.26 19.67 % RYGYO.E 3.5 14.38 % CEMAS.E 1.6 14.29 % Decreasing SMART.E 7.66 -19.96 % OYLUM.E 5.16 -9.31 % FMIZP.E 30.06 -8.85 % KRONT.E 12.54 -8.00 % METRO.E 1.4 -6.67 % VIOP Most Change O_USDTRYKE1219C6050 % 175,86 O_USDTRYKE1219C6000 % 124,56 O_VAKBNE0120P5.00 % -100,00 O_VAKBNE0120P5.00 % -100,00 O_VAKBNE0120P5.00 % -100,00 Highest Open Position F_USDTRY1219 773.624 F_XAUTRYM1219 443.071 F_XU0301219 430.410 F_EKGYO1219 279.728 F_TSKB1219 216.658




Mehmet Hakan ATİLLA

CEO - Acting Chairperson

 Born in Ankara in 1970, Mehmet Hakan Atilla graduated from Gazi University, Faculty of Economics and Administrative Sciences, the Department of Economy.

Atilla started his career as an assistant specialist in Research Development and Planning Directorate  at Halkbank A.S. He pursued his career as a specalist in Banking Cards and Cash Management Directorate, as a supervisor and a manager in Strategic Planning Department, as Head of Financial Institutions and Investor Relations, as Board member of Halk Invest Audit and Halk Emeklilik, as Chairman of Halkbank Macedonia. He worked as Deputy General Manager in charge of International Banking in Halkbank between the year of 2011-2018.



Executive Vice President

Ali Işık entered Boğaziçi University Department of Computer Science and graduated in 1998. He entered Anadolu University Department of Business Administration within the same year and graduated in 2003. He started his career in 1998 as Software Developer at Artsoft Bilgi Işlem Ltd.Şti. and worked at the Artsoft between 1998 and 2000. He worked at Türkiye Finans Katılım Bankası A.Ş. as Senior Developer, Database Administrator between 2000 and 2001. Then, he worked at Yapı Kredi Bankası A.Ş. as System Engineer, System Manager, System Architect, Head of System and Infrastructure Division between 2001 and 2015. He has following technical certifications: Microsoft Certified Professional (MCP), Microsoft Certified Solutions Associate (MCSA), Microsoft Certified Solutions Expert (MCSE). He served Borsa Istanbul A.Ş since October 1, 2015 as Director in the Systems Management Department and managed BISTECH Phase 2 and Phase 2+ Infrastructure projects in this position. Together with his departmental management responsibilities he also served as main coordinator for IT supply & outsourcing management and acted as head of Borsa İstanbul Group synergy committee (Borsa Istanbul, Takas Istanbul and Merkezi Kayıt Istanbul). He is currently Executive Vice President responsible for information technologies (systems and infrastructure) since June 8, 2017.



Executive Vice President

Ali Ömürbek earned his BS degree from the Istanbul Technical University, Department of Mathematical Engineering in 1991. Ömürbek started his career as System Analyst and developer in 1991, he continued his career in capital markets as Information Systems Manager for thirteen years. Ömürbek worked in Assistant General Manager at Halk Yatırım Menkul Değerler A.S for ten years. He is currently Executive Vice President responsible for market operations since November, 2018.



Alpogan Sabri ERDOĞAN
Executive Vice President

Alpogan Erdogan was born in Sivas in 1974. He earned his BS degree from Bogazici University, Department of Economics. After working as a treasury dealer in the banking industry for seven years, he continued his career in capital markets as an asset manager and a product/business developer for fourteen years. With his twenty one years’ experience in the financial services sector, He is currently Executive Vice President responsible for product development since October, 2018.



Arif Tuncay ERSÖZ
Chief Audit Executive (Acting)

Arif Tuncay ERSÖZ graduated from the Department of Management Engineering at Istanbul Technical University in 1990. In 1992, he started to work as an assistant auditor at the Istanbul Stock Exchange, where he became an auditor in 1994 and, chief auditor in 1997. In 2016, he was appointed as the Deputy Chief Audit Executive. He was appointed as Acting Chief Audit Executive of Borsa İstanbul as of October 16, 2019.



Korkmaz Enes ERGUN, Ph.D.
Executive Vice President

Korkmaz Ergun earned his undergraduate degree at Ankara University Faculty of Political Science, Department of Business Administration in 1997 and started his career at Borsa İstanbul the same year. He completed his masters’ degree and PhD on Economics at Marmara University. Having administered the evaluation of the public offering of numerous companies and examination and market activities of the companies traded on Borsa İstanbul, Ergun has twenty two years’ experience in the stock exchange business and capital markets. He is currently Executive Vice President responsible for listing and index.



Mehmet GÖNEN
Executive Vice President

Born in Istanbul in 1971, Mehmet GONEN graduated from Bogazici University, Industrial Engineering Department in 1993 and earned his MBA from University of Michigan Ann Arbor in 1995.

GONEN started his career as an Emerging Markets Trader at Cargill Financial Markets. He pursued his career as an Executive Director at Goldman Sachs International in London. Gonen worked in Assistant General Manager and General Manager capacity at StandardYatırım, BCP MillenniumBank, Merrill Lynch Turkey and Ziraat Yatırım Menkul Değerler A.S. He joined Borsa İstanbul as Executive Vice President in charge of Marketing and Business Development in March 2018.



Executive Vice President

M. Ufuk ÖZDEMİR earned his BSc from Istanbul Technical University, Department of Control and Computer Engineering in 1988, and MSc in 1993. He started his career in Netaş, followed by Zihni Holding and then joined to Borsa İstanbul (formerly Istanbul Stock Exchange) Information Systems Department as assistant system analyst in 1991. Özdemir was promoted as Director in the Department in 1997. He worked as developer, SW architect, application and development manager and project manager in IT dept for clearing and settlement systems, trading systems of equity market, debt securities market and derivatives market, data dissemination systems. He was appointed as Group Manager of the Project Management Office established in Borsa İstanbul in 2014. Özdemir is currently the Program Manager of BISTECH/Nasdaq project and has been Executive Vice President for Information Technology (Application Development & Project Management) since April 2016.



Muhittin ESEN
Executive Vice President

Muhittin Esen graduated from the Middle East Technical University in 2004 and started his career at Yapı Kredi Bank the same year. Between 2006 and 2014, he worked as junior and senior specialist at the Ministry of Finance. Esen earned his masters’ degree in finance from London Business School in 2014. He was Vice Chairman of Tax Inspection Board, Istanbul Large Scale Tax Payers Group between 2014 and 2016. Muhittin Esen joined Borsa Istanbul as Accounting and Finance Director in 2016 and has been Executive Vice President at Borsa İstanbul since December 2017. Esen is a Sworn-in CPA and Independent Auditor and has published numerous articles on tax and accounting. Currently, he is studying on his doctorate on finance and accounting at Yıldız Technical University. Esen represents Borsa İstanbul at the Foreign Economic Relations Board of Turkey (DEİK) Foreign Investments Business Council Executive Board and Integrated Reporting Turkey Network (ERTA).



Şenol DUMAN, Ph.D.
Executive Vice President

Şenol Duman earned his BA in Public Administration from Ankara University – Faculty of Political Science; his MA in Public Management from Carnegie Mellon University - Heinz School of Public Policy and Management; and a Ph.D. in Public Policy and International Relations from the University of Pittsburgh - Graduate School of Public and International Affairs. After returning to Turkey in 2003, he worked as Assistant Professor and Associate Dean at the School of Business of Atılım University for a year. From 2004 to 2008, he was in charge of sales and marketing as Chief Marketing Officer and Board Member of the government owned satellite company Türksat A.Ş. and also Executive Vice President and Board Member of Eurasiasat S.A., based in Monaco. In 2008, he became a partner of Aeroturq A.Ş., an enterprise operating in the satellite, telecommunications, aviation, and defense industries as General Manager and Board Member for 3 years. In 2011, he became the founding partner and General Manager of another enterprise, SM5 A.Ş., a high-tech venture company. He was a Board Member of Raintrade Petrokimya A.Ş. between April 2015 and April 2016. He was also the General Coordinator of internationally renowned D8 Fertilizer Association representing Turkey in the Association’s annual meetings from 2015 to 2016. He has been serving as an Independent Board Member of the Turkish Growth and Innovation Fund (TGIF) since April 2015. In January 2015, he went back to his professional career, assuming the role of Deputy Director General responsible for the supply chain of Gübretaş A.Ş., where he left in September 2016 to join Borsa İstanbul as Executive Vice President. Şenol Duman speaks fluent English.