Following the completion of his BA studies at Robert College in Istanbul, Ömer Dinçkök acquired his postgraduate degree in the UK in 1971. Ömer Dinçkök’s entrance into business life was at Akkök Holding, which was founded by his father the late Mr. Raif Dinçkök in 1952 and encompasses industrial and trading companies operating in energy, chemicals, textile and real estate. He took responsibilities as Chairman and Member at the Board of Directors of Akkök Holding and various companies within the group between 1971-2012. Ömer Dinçkök founded Atlantik Holding in 2008 to amalgamate and oversee the performance of the family holdings. Starting in the second half of 2012, he decided to focus his entrepreneurial efforts solely on developing the activities of Atlantik Holding, which is one of the three equal partners of Akkök Holding and where he acts as Chairman of the Board of Directors. Dinçkök has actively contributed to the establishment and/or development of the business and philanthropic organizations below: Honorary Chairman of the Turkish Industry and Business Association (TÜSİAD) (2011-present); Honorary Member of the Assembly at the Istanbul Chamber of Industry (ISO) (2008-present); Member of the Board of Trustees of Koç University (2006-present); Member of the Board of Trustees (1994-present), Chairman of the Board of Trustees (2004-2007), Chairman of the Board of Directors (2001-2004) and Vice Chairman of the Board of Directors (1994-2001) of the Turkish Education Foundation (TEV); Founding Member and Member of the Board of Trustees (1995-present) and Member of the Board (1995-1998) at the Educational Volunteers Foundation of Turkey (TEGV); Chairman of the Assembly at the Istanbul Chamber of Industry (ISO) (1992-2001); Chairman of the Industrial Counsel at the Turkish Union of Chamber of Commerce and Industry (TOBB) (1992-2000); Member of the Board of Trustees at Wilberforce University in Ohio, USA (1989-2000); Chairman of the Board of Directors of TÜSİAD (1987-1989). He has been a Member of Koç Holding Board of Directors since 2017.