Mehmet Simsek (born 1 January 1967) is a Turkish politician and economist of Kurdish origin who served as a Deputy Prime Minister of Turkey from 24 November 2015 until the office's abolition on 9 July 2018.
He previously served as the Minister of Finance from 2009 to 2015, serving in the cabinets of Prime Ministers of Recep Tayyip Erdogan and Ahmet Davutoglu.
As a member of the Justice and Development Party, he was elected as a Member of Parliament for Gaziantep in the 2007 general election and for Batman in the 2011 general election.
In Prime Minister Erdogan's second cabinet (2007-2011), Simsek became a Minister of State responsible for the economy upon his election as an MP.
In 2009, he became the Minister of Finance.
He retained his position in Erdogan's third cabinet and the first cabinet of Ahmet Davutoglu, who took over as Prime Minister in 2014.
As Finance Minister, Simsek formulated fiscal policy which helped Turkey recover strongly from the global financial crisis of 2008.
He also undertook far reaching reforms founding the Tax Audit Board, simplifying tax regulations, enhancing taxpayers’ rights, and reducing the shadow economy.