Willem Frederik (Wilfred) Nagel (1956)
![](/media/8dabd8117d2cd49/07-wilfred-nagel-2443.jpg?width=179&height=222&mode=max)
Chair, Singaporean nationality
Willem Frederik Nagel holds a master’s in economics from VU University, Amsterdam. In the past two decades, he has been working in different regional and group roles within ING, including taking responsibility for all credit risk in the bank and insurance business, as well as building its standard controls and compliance and repositioning ING’s business while CEO of ING Bank Turkey. In his last role within ING, Mr. Nagel acted as CRO for ING Group as well ING’s banking and insurance business up to its IPO in 2014, and he was member of ING Group’s executive board. Currently, Mr. Nagel is a non-executive board member within several financial institutions. In these various executive and non-executive roles, he has obtained extensive in-depth knowledge and understanding of the global banking and insurance business, credit risk management, compliance risk management, financial management and reporting, and strategy development and planning. Mr. Nagel, who is a Singaporean national, was appointed as an independent member to the Supervisory Board in January 2021, and his current term expires in 2025.
Ayşecan Özyeğin Oktay (1981)
![](/media/8da17a7dcb53db2/aysecan-özyegin-oktay.png)
![](/media/8da17a7dcb53db2/aysecan-özyegin-oktay.png)
Vice-chair, Turkish nationality
Ms. Özyeğin Oktay is vice-chairperson and member of the executive committee of Fiba Group. She has been working within Fiba Group since 2003 and holds executive and non-executive board positions in multiple Fiba Group companies, with a focus on the retail, tourism, and real estate sectors. Ms. Özyeğin Oktay is active in philanthropy and social entrepreneurship and leads Fiba Group’s social investments and gender equality initiatives. She is also on the Board of Directors of the Mother Child Education Foundation and Husnu M. Özyeğin Foundation. Ms. Özyeğin Oktay graduated in economics from Duke University, USA, and obtained an MBA degree from Stanford University, USA. She has Turkish nationality and was appointed to the Supervisory Board of CEB in 2021. Her current term expires in 2025.
Seha Ismen Ozgur (1976)
![](/media/8d92cbfd1c74244/ismen-ozgur.jpg)
Member, Turkish nationality
Ms. Ismen Ozgur runs an independent consulting practice with an increased focus on climate transition. She has served as Director of Strategy and Institutional Development at Özyeğin University, Turkey, and on the Board of the Turkish Economic and Social Studies Foundation (TESEV). Prior to these roles, she was a partner in Oliver Wyman’s financial services practice, advising banks around the world on topics of strategy, transformation, and risk management. She founded and led Oliver Wyman’s Turkish office and served on a number of global and regional committees. Ms. Ismen Ozgur holds an B.A. degree from Princeton University, USA, in Economics and Applied and Computational Mathematics. She is a Turkish national and was appointed to the Supervisory Board in May 2019. Her current term expires in 2023.
Ali Fuat Erbil (1968)
![](/media/8dabd811126c343/06-fuat-erbil-2462.jpg?width=163&height=205&mode=max)
Member, Turkish nationality
Between 1997 – 2019, Mr. Erbil was working for Garanti Bank in different roles. During his career at Garanti Bank, Mr. Erbil was inter alia responsible for retail and digital banking, human resources, financial institutions and corporate banking and investment banking. In his last role within Garanti Bank, Mr. Erbil acted as CEO of Garanti Bank Turkey and he was chair of the supervisory boards of Garanti Bank’s subsidiaries (including Garanti Bank International N.V.). Currently, Mr. Erbil is a non-executive member of the global advisory board of C2FO (a US based fintech), an advisor to McKinsey’s Istanbul office and a supervisory board member of Dogan Holding AS. He holds an MBA degree from the Bilkent University (Ankara, Turkey) in business administration and a PhD from the Istanbul Technical University (Istanbul), faculty of business administration. Mr. Erbil, who is a Turkish national, was appointed as an independent member to the Supervisory Board in May 2022, and his current term expires in 2026.