After 2017 Turkish constitutional referendum, Prime Ministry of Turkey was abolished. In accordance with this change, TWF law is changed to allow President of Turkey became the chairman of TWF and appointment of CEO, Vice Chairman and board members by the President. On 12 September, President Erdoğan became chairman of the fund. He also appointed Zafer Sonmez, formerly of Malaysia's government investment vehicle Khazanah Nasional from September 2012 until September 2018, as Senior Vice President &amp; Head. Erdoğan's son-in-law Berat Albayrak was named as his deputy on the board of the sovereign wealth fund.