Board of Directors

Adnan Bali
Chairperson

Mr. Adnan Bali graduated from Middle East Technical University, Faculty of Economics and Administrative Sciences with a degree in Economics. Mr. Bali began his career as an Assistant Inspector on the Board of Inspectors at İşbank. Mr. Bali served at Fund Management Department as Assistant Manager, as Group Manager and was promoted to Head of Fund Management. After serving as Branch Manager at the Şişli/Istanbul and Galata/Istanbul Branches, Mr. Bali was promoted to Deputy Chief Executive and was appointed as the CEO of İşbank A.Ş. on April 1, 2011.

In addition to his duties at the Bank, Mr. Bali serves as the Chairman of the Board of Directors of Türkiye Şişe ve Cam Fabrikaları A.Ş. and Chairman of the İşbank Members Supplementary Pension Fund.

He was elected as a Member of the Board of Directors of İşbank on March 31, 2021, March 30, 2023, and March 31, 2026, and as the Chairman of the Board of Directors on April 1, 2021, March 25, 2022, March 31, 2023, March 29, 2024, March 27, 2025, and April 1, 2026. Mr. Bali also serves as the Chairman of the Remuneration Committee, the Risk Committee, the Sustainability Committee, and the Board of Directors’ Operating Principles Committee.

Bahattin Özarslantürk
Vice Chairperson

Mr. Bahattin Özarslantürk graduated from Business Administration (in English) department of İstanbul University. He joined İşbank as Assistant Specialist at Zincirlikuyu Branch. After serving in Managerial Reporting and Internal Accounting, Risk Management and Corporate Loans Underwriting Divisions as Credit Specialist, Mr. Özarslantürk was appointed as Assistant Manager in Corporate Loans Underwriting Division, Regional Manager in the same division, Branch Manager of Hadımköy Commercial Branch, Branch Manager of Güneşli Corporate Branch, Head of Commercial Loans Underwriting Division, Branch Manager of Başkent Corporate Branch and Branch Manager of İstanbul Corporate Branch.

Mr. Özarslantürk served as the Vice Chairperson of İş Finansal Kiralama A.Ş., and A&T Finansal Kiralama A.Ş. and as a Board Member of İş Faktoring A.Ş., Arap Türk Bankası A.Ş., TİB Banka ve Ticaret Hukuk Araştırma Enstitüsü and Türkiye Sınai Kalkınma Bankası A.Ş.

In addition to his duties at the Bank, Mr. Özarslantürk serves as a Board Member of İşbank Members Supplementary Pension Fund.

Mr. Özarslantürk, who was elected as a Member of the Board of Directors of İşbank on March 7, 2024 and March 31, 2026, and as the Vice Chairperson of the Board of Directors on April 1, 2026, also serves as the Chairman of the Audit Committee, T.R.N.C. Internal Systems Committee and Operational Risk Committee and as a member of the Risk Committee and Credit Committee.

Hakan Aran
Member of the Board and Chief Executive Officer

Recep Hakan Özyıldız
Member of the Board

Mr. Recep Hakan Özyıldız graduated from Ankara University, Faculty of Political Sciences, Department of Economics and Finance, Mr. Özyıldız held a Master’s degree in Economics from Northeastern University in the USA.

Mr. Özyıldız started to work at the Ministry of Treasury and Finance as an Assistant Treasury Specialist in 1978. In the following years, he served as Branch Manager at the Undersecretary of Treasury and Foreign Trade and the General Directorate of Banking and Foreign Exchange; Department Head, Deputy General Manager and General Manager at the General Directorate of Public Finance under Ministry of Treasury and Finance; Auditor at İşbank, General Manager of the State Economic Enterprises in the Treasury, Senior Advisor of Economics in Turkish Embassy in London and Assistant Undersecretary in the Ministry of Treasury and Finance.

Mr. Özyıldız, who is also a columnist and commentator, continues to serve as a part-time lecturer in Ankara University, Faculty of Political Sciences.

Mr. Özyıldız was elected to İşbank Board of Directors on 31 March 2020 and 30 March 2023 and 31 March 2026.

Şebnem Aydın
Member of the Board

Ms. Şebnem Aydın graduated from Uludağ University, Faculty of Economics and Administrative Sciences, Business Administration Department. She started her career as a candidate Officer at Suluova/Amasya Branch and served as Section Head at Bafra/Samsun Branch, Sub-Manager at Samsun Branch and Bafra/Samsun Branch, Branch Manager at Buğdaypazarı/Samsun Branch, Gazi/Samsun Branch, Samsun Branch, Çarşı-Bakırköy/İstanbul Branch; and Regional Manager of İstanbul-Bayrampaşa Region.

In addition to her duties at the Bank, Ms. Aydın served as a Board Member of İşbank Pension Fund between 2020-2023.

Ms. Aydın, who was elected as a member of the Board of Directors of İşbank on March 30, 2023 and March 31, 2026, also serves as the Chairperson of the Corporate Governance Committee; as a member of the Audit Committee, the T.R.N.C. Internal Systems Committee, the Risk Committee, the Operational Risk Committee, the Corporate Social Responsibility Committee, the Sustainability Committee, and the Board of Directors Operating Principles Committee; and an alternate member of the Credit Committee.

Banu Altun
Member of the Board

Ms. Banu Altun graduated from Marmara University, Faculty of Economics and Administrative Sciences, Department of Economics (English). Ms. Altun began her career at İşbank as an Assistant Specialist at Cağaloğlu/Istanbul Branch and served as Assistant Manager and Regional Manager at the Credits Department. In 2010, she was appointed as Deputy Chief Executive at İş Leasing. She subsequently served as the Branch Manager of the Maslak Commercial/Istanbul Branch, Head of the Corporate Loans Underwriting Division, and Branch Manager of the Central Corporate Branch.

In addition to her duties at the Bank, Ms. Altun served as a Member of the Board of Directors at TSKB and İş Leasing.

Ms. Altun, who was elected as a member of the Board of Directors of İşbank on March 31, 2026, also serves as a member of the Credit Committee, the Corporate Governance Committee, and the Sustainability Committee.

Enis Belge
Member of the Board

Mr. Enis Belge graduated from Marmara University, Faculty of Economics and Administrative Sciences, Department of Business Administration (English). With nearly 30 years of experience in audit, risk management, and management consultancy within the financial sector, particularly banking, Mr. Belge spent a significant portion of his career at the international audit and consultancy firm KPMG, where he worked in audit and risk consultancy for the Banking and Financial Markets sector. After serving in various management levels, he was promoted to the position of Director, providing audit and consultancy services to numerous international and local financial institutions during this period.

Mr. Belge has also provided strategic support to firms in establishing internal audit and financial reporting infrastructures, developing risk management and corporate governance systems, and institutionalization processes.

Mr. Belge, who was elected as a member of the Board of Directors of İşbank on March 31, 2026, also serves as a member of the Corporate Governance Committee and the Corporate Social Responsibility Committee.

Prof. Dr. Recep Bildik
Member of the Board

Mr. Recep Bildik graduated from Istanbul University, Faculty of Economics and Administrative Sciences, Department of Finance. Mr. Bildik earned his Master’s and PhD degrees from the Department of Finance at the same university. He also holds a Master’s degree in Public Administration from the Harvard University Kennedy School of Government. Having received training on management, board of directors, and entrepreneurship at Harvard Business School and MIT Sloan School of Management, Mr. Bildik has published works in national and international peer-reviewed academic journals. He received the title of Associate Professor in 2005 and Professor in 2022. With approximately 30 years of professional experience in capital markets, Mr. Recep Bildik has served as a manager at Borsa İstanbul, an auditor on the Board of Takasbank A.Ş., an Executive Board Member of the TÜBİTAK Venture Capital Support Group and the Entrepreneurship Support Group, a Member of the TOBB Venture Capital Sector Assembly, a Member and Delegate of the European Commission “Horizon 2020 Programme SME and Risk Capital Committee,” and Dean of the Istanbul Commerce University Faculty of Business, and a Board Member of İş Yatırım Ortaklığı A.Ş among various other commission and committee memberships. He has worked as a visiting researcher at the Finance Departments of the University of Chicago and DePaul University, and on risk management at the Global Association of Risk Professionals (GARP) in New York.

In addition to his role as a full-time faculty member at the Istanbul Commerce University Department of Finance and Banking, Mr. Bildik teaches graduate-level finance courses as a part-time lecturer at the Koç University, Graduate School of Business. He also serves as a Member of the Board of Directors at Kartonsan A.Ş., and CGE Evaluation Sustainability Assessment Center and Yazılım Hizmetleri A.Ş.

Prof. Dr. Bildik, who was elected as a Member of the Board of Directors of İşbank on March 31, 2026, also serves as a member of the Sustainability Committee and the Board of Directors’ Operating Principles Committee.

Hamide Esma Uygun Çelikten
Member of the Board

Ms. Hamide Esma Uygun Çelikten graduated from Gazi University, Faculty of Economics and Administrative Sciences, Department of Business Administration. Ms. Çelikten began her career as an Assistant Specialist in the Capital Markets Division at İşbank. She served as Assistant Manager and Unit Manager in the same department, and as Branch Manager at the Istanbul Private Banking Branch. She also served as an Auditor for the Board of TSKB and as a Board Member at İş Yatırım Ortaklığı A.Ş., Manager of the İşbank Members Supplementary Pension Fund, and as the Vice Chairperson of the Board of Directors at Topkapı Danışmanlık Elektronik Hizmetler Pazarlama ve Ticaret A.Ş. and İş Portföy Yönetimi A.Ş.

Ms. Çelikten, who was elected as a Member of the Board of Directors of İşbank on March 31, 2026, also serves as a member of the Audit Committee, the T.R.N.C. Internal Systems Committee, the Risk Committee, the Operational Risk Committee, the Remuneration Committee, and the Corporate Social Responsibility Committee.

Prof. Dr. Baki İlkay Engin
Member of the Board

He graduated from the Faculty of Law at Istanbul University and obtained his master’s and doctoral degrees in Private Law at the same university. He joined the Civil Law Department of the Faculty of Law at Istanbul University as a Research Assistant, was appointed Assistant Professor in 2001, and was awarded the title of Associate Professor in 2004.

Since 2010, Baki İlkay Engin has been continuing his academic work as a Professor in the Department of Civil Law at the Faculty of Law of Istanbul University. He has also been serving as a part-time faculty member at the Faculty of Law of Koç University since 2005. During his doctoral and associate professorship studies, he conducted research at the Max Planck Institute for Comparative and International Private Law in Hamburg with scholarships from DAAD and the Max Planck Foundation. He has published works in various fields of Civil Law as well as in Consumer Protection Law.

Prof. Dr. Engin was elected as an Independent Member of the Board of Directors of İşbank on March 31, 2026.

Gülbin Şahinbeyoğlu
Member of the Board

Ms. Gülbin Şahinbeyoğlu graduated from Middle East Technical University, Faculty of Economics and Administrative Sciences, Department of Economics, where she also completed her Master’s degree. Ms. Şahinbeyoğlu began her career as a researcher at the Central Bank of Türkiye General Directorate of Research. She held various positions at the CBRT, serving as General Manager of the General Directorate of Statistics and the General Directorate of Research and Monetary Policy. With experience in international institutions, Ms. Şahinbeyoğlu has worked as an expert economist at the OECD Türkiye Desk and the Bank of England Center for Central Banking Studies (CCBS).

Additionally, having served as a Board Member of the BIS Irving Fisher Committee on Central Bank Statistics (IFC), Ms. Şahinbeyoğlu currently serves as the Executive Director of the Economic Policy Research Foundation of Turkey (TEPAV)

Ms. Şahinbeyoğlu, who was elected as a Member of the Board of Directors of İşbank on March 31, 2026, also serves as a member of the Corporate Social Responsibility Committee and as an alternate member of the Credit Committee.