Sedat Atkın graduated from Ankara University, Political Science Faculty, Economics and Finance Department in 1977. He had worked as a Tax Inspector in the Tax Inspectors Board between 1978 and 1983. He resigned from Ministry of Finance in 1983 and had worked as financial director, general manager and board member in several private sector companies. He was in London for English Education at the Pitman School of English in 1987. He specialised in Turkish and Global tax issues for subsidiaries of multinational companies operating in automotive sector in Bursa. He conducted transfer pricing operations between subsidiaries and mother companies. He involved in preparation and client training programs on IAS and IFRS.