| 2003 | Koç Holding A.Ş. - Responsible from the Family Office |
| 2002 | Koç Holding A.Ş. Vice Chairman of the Board of Directors |
| 2000 - 2001 | Koç Holding A.Ş.
Vice Chairman of the Board of Directors
Chief Executive Officer
Executive Board Member - Operations |
| 1998 - 2000 | Koç Holding A.Ş. Yönetim Kurulu Başkan Vekili
Yönetim Komitesi Üyesi (Uygulamadan Sorumlu) |
| 1996 - 1998 | Koç Holding A.Ş. Member of the Board of Directors Vice Chairman of the Executive Committee Executive Officer- Corporate Staff President of Other Automotive Companies |
| 1994 - 1996 | Koç Holding A.Ş. President, Tofaş Group |
| 1992 - 1994 | Koç Holding A.Ş. Vice-President of Technical Projects
Tofaş Türk Otomobil Fab. A.Ş. General Manager |
| 1981 - 1992 | Tofaş Türk Otomobil Fab. A.Ş. General Manager |
| 1974 - 1981 | Otoyol Sanayi A.Ş. General Manager |
| 1972 - 1974 | Koç Holding A.Ş. Assistant Coordinator, Automotive Department |
| 1969 - 1972 | Ford Motor Co. U.S.A. Product Development Engineering |
| 1966 - 1969 | Otosan A.Ş. Product Development Manager |
| 1965 - 1966 | Chrysler Sanayi - İstanbul Product Development Engineer |
