
AI-generated summary
Mahmut Sütcü was appointed as the Chairman of the CMB with the decision published in the Official Gazette on May 9, 2026. He was serving as the Deputy Chairman of the CMB since November 2024. Osman Çelik was appointed as Deputy Minister of Treasury and Finance on June 21, 2023, and had worked in various banks and financial institutions in previous years.
Capital Markets Board (CMB) Chairman Mahmut Sütcü submitted his resignation. It was stated that Sütcü submitted his resignation due to health problems.
In the Official Gazette's decisions dated October 20, it was stated that Sütcü was dismissed.
Sütcü was appointed as the Chairman of the CMB with the decision published in the Official Gazette on May 9, 2026.
Sütcü, who has been serving as the Deputy Chairman of the CMB since November 2024, was appointed as the chairman instead of İbrahim Ömer Gönül. Born in Bafra district of Samsun in 1968, Sütcü graduated from Ankara University, Faculty of Political Sciences, Department of Finance in 1990.
Sütcü, who started his public service as an Assistant Tax Inspector in 1991, served in the Antalya and Ankara tax offices. Sütcü, who was appointed as Deputy Director of Revenue Administration in 2016, later took part in the CMB management.
DEPUTY MINISTER OF TREASURY AND FINANCE SUBMITTED RETIREMENT PETITION
On the other hand, according to the information obtained from the Ministry, Deputy Minister of Treasury and Finance Osman Çelik submitted his retirement petition to Minister Mehmet Şimşek, effective from today.
Çelik was appointed as Deputy Minister of Treasury and Finance on June 21, 2023.
Born in Kemaliye district of Erzincan in 1964, Çelik graduated from Middle East Technical University (METU) Department of Economics.
Çelik, who worked in the banking and finance sector for many years, served as general manager at Türkiye Finans Katılım Bankası.
Çelik, who was appointed as the Undersecretary of Treasury on June 29, 2016, later took part in the management of Türk Eximbank. Çelik, who was appointed as the General Manager of Vakıf Katılım Bank in March 2022, was appointed Deputy Minister of Treasury and Finance in June 2023.
AI outlook — possibilities, not facts
When the CMB Presidency becomes vacant, a temporary appointment will be made.
Very likely · Within days
As the Deputy Minister of Treasury and Finance will become vacant, a new appointment will be made.
Very likely · Within weeks

The Capital Markets Board stated that Tera Yatırım Holding AŞ did not fulfill its mandatory share purchase offer after gaining management control in Peker Gayrimenkul Yatırım Ortaklığı AŞ. The Board declared the voting rights of the relevant companies and funds frozen as of September 16, 2026 and decided that these shares would not be traded on Borsa Istanbul.
With the decision published in the Official Gazette, Kutluhan Taşkın was appointed as Deputy Minister of Treasury and Finance. In addition, new appointments were made to the Revenue Administration and various presidencies, and the Heads of the Capital Markets Board and the Public Oversight, Accounting and Auditing Standards Authority were dismissed.

CMB Chairman Mahmut Sütcü resigned due to health problems and his term ended. Deputy Minister of Treasury and Finance Osman Çelik submitted a retirement petition. Sütcü was appointed on May 9, 2026, and Çelik started his duty on June 21, 2023.

According to the appointment decisions published in the Official Gazette, Kutluhan Taşkın, Deputy Chairman of the Strategy and Budget Directorate, was appointed as Deputy Minister of Treasury and Finance. On the same day, Capital Markets Board (CMB) Chairman Mahmut Sütcü and Public Oversight, Accounting and Auditing Standards Authority (KGMD) Chairman İbrahim Ömer Gönül were dismissed.

According to the decisions published in the Official Gazette, Kutluhan Taşkın was appointed as Deputy Minister of Treasury and Finance, Mahmut Sütcü was dismissed from his post as Chairman of the Capital Markets Board, and İbrahim Ömer Gönül was removed from his position as Chairman of the KGK. In addition, Şinasi Candan was appointed as the Head of Revenue Administration and new appointments were made in four different positions.

With the appointment and dismissal decisions published in the Official Gazette, Kutluhan Taşkın was appointed as Deputy Minister of Treasury and Finance, Capital Markets Board Chairman Mahmut Sütcü and KGK Chairman İbrahim Ömer Gönül were dismissed, Şinasi Candan and four deputies were appointed as the Head of the Revenue Administration.