Mr. S. Erhan Zeyneloğlu, Chief Executive Officer (since October 2015)
Mr. Erhan Zeyneloğlu began his career at Garanti Bankasi in Turkey. He joined GBI in 1995. Before his appointment as CEO, Mr. Zeyneloğlu held several managerial positions in various departments, lastly as Executive Director responsible for Structured Finance and Retail Banking.
Mr. Marco Witteveen, Chief Operating Officer (since June 2016)
Mr. Marco Witteveen started his professional life in 1985 as a management trainee at ING Bank, London. During his 30 years banking career, Mr. Witteveen held various positions in several Dutch banks, lastly at NIBC Bank as the Managing Director of Technology and Operations.
Ms. Özgen Etker-Simons, Member of the Managing Board (since October 2015)
Ms. Etker-Simons started her career at ABN AMRO. She joined GBI in 1992 and held several managerial positions within the organization. Before her appointment as Member of the Managing Board, she was the Executive Director of Treasury and Private Banking divisions.
Dr. Övünç Şişman, Chief Financial & Risk Officer (since October 2015)
After holding several positions in the Risk Management team at Osmanli Bankasi and Garanti Bankasi in Turkey, Dr. Şişman joined GBI in 2003 and started at the Credits division. In 2006, Dr. Sisman became the Manager of Risk Management department. In 2011, he was appointed as the Executive Director of Risk Management, Control & Reporting.