Executive Management

Gökhan Tezel
General Manager

Gökhan Tezel began his career in 1993 as a Finance Expert at Tofaş and became the Finance Manager in 1998. In addition, he served as the General Manager of Koç Fiat Consumer Credit Financing. 


Mr Tezel was appointed as the General Manager of Aygaz in October 1, 2015 where he  had been the Assistant General Manager of Finance since 2009; Mr. Tezel also serves as President of LPG Assembly of The Union of Chambers and Commodity Exchanges of Turkey and Board Member of World LPG Association.

Gökhan Dizemen
Assistant General Manager (Finance)

Gökhan Dizemen’s professional career started in 2002 as an Associate and later Senior Associate at Pricewaterhouse Coopers and continued as Assistant Manager in 2006. After serving as Finance Manager at Societe Generale Consumer Finance in 2007, he joined Koç Holding A.Ş. where he worked as Finance Manager (2008-2010) and Finance Coordinator (2011-2018). He later served as Chief Financial Officer at Tüpraş Trading Ltd. (2018-2020) Gökhan Dizemen has been appointed Assistant General Manager, Finance at Aygaz A.Ş. as of January 2021.

Ayşe Abamor Bilgin
Assistant General Manager (Technical Affairs and Investments)
Ayşe Abamor Bilgin began her career in 1998 as a Management Trainee at Aygaz A.Ş. Appointed Supply Manager in 2005, Ayşe Abamor Bilgin served as LPG Supply and Trade Manager from 2008 to 2011. She serves as Director - Supply Chain since January 2012. As of January 2021,
she was appointed Assistant General Manager of Technical Affairs and Investments at Aygaz A.Ş.
Fikret Coşar
Assistant General Manager (Sales)

Fikret Coşar began his career as Sales Specialist at Çukurova Import and Export Company in 1988. He then joined Aygaz A. Ş. in 1991 and worked as Diyarbakır Cylinder LPG Sales Supervisor


Mr. Coşar was appointed as Diyarbakır Sales Manager in 1998. Between 1999 and 2010 he served as Trakya Cylinder LPG Assistant Sales Manager, Çukurova Sales Manager and Marmara Sales Manager, respectively. After 2010 he worked as the General Manager at Akpa A. Ş., and as of January 1, 2016, he became the Assistant General Manager of Sales at Aygaz A.Ş.

Rıdvan Uçar
Assistant General Manager (Marketing and Innovation)

Rıdvan Uçar began his career in 1991 at TUBİTAK and became Project Engineer at Aygaz in 1996. Then he consecutively served as Bulk LPG Marketing Specialist, Marketing Manager and Marketing Group Manager. In 2008, Mr. Uçar served as the Assistant General Manager of Marketing. He joined Aygaz Doğal Gaz (a subsidiary of Aygaz) in 2010 as the General Manager. As of March 2018, he was appointed as the Assistant General Manager of Marketing and Innovation at Aygaz A.Ş.

Ahmet Ercüment Polat
Director (Cylinder Gas Sales)

Ercüment Polat joined Aygaz in 1995 and consecutively served as Sales Engineer, Regional Sales Supervisor and Autogas & Bulk LPG Regional Sales Manager. Mr. Polat joined Akpa (a subsidiary of Aygaz) in 2004 as Branch Manager and served as the Company Manager from 2008 to 2010. He worked as the Marketing Director of Aygaz from 2010 to 2018 and as of January 2018, he was appointed as the Director of Cylinder Gas Sales.

Şenol Zafer Polat
Director (Autogas Sales)

Şenol Zafer Polat began his career in 1994 as Construction Site Control Engineer and joined Aygaz in 1996 as Project Marketing Engineer. From 1997 to 2010 after serving as Cylinder Gas, Autogas and Bulk Gas Sales Manager in Trache, İstanbul and Marmara regions he worked as Central Anatolia Sales Manager. From 2010 to 2016 he served first as Mogaz then Aygaz Aegean Region Cylinder Gas Sales Manager. As of 2016 Polat began to serve as Planning and Business Development Manager of Cylinder Gas, as of 2018 June he was appointed as Director of Autogas Sales.

Nurettin Demirtaş
Director (Affiliates and Accounting)

Nurettin Demirtaş began his career in 1986 at Doğuş Financial Consultancy and Accounting Office. In 1988, he worked in the Accounting Department at Tekor Plastik A.Ş.


He joined the Koç Group in 1989 and worked respectively as an Aygaz A.Ş. Accounting Specialist, General Accounting Department Administrator, Accounting Manager and Affiliates and Accounting Group Manager. In 2008, he was appointed as Director of Affiliates and Accounting.

Elifcan Yazgan
Director (Supply Chain)

Elifcan Yazgan started her professional career in 2007 as LPG Supply Planning Specialist at Aygaz A.Ş. and went on to serve as LPG Supply and Trade Specialist (2013-2015), Operation and Process Development Manager (2015-2017) and most recently as Business Development Manager (2017-2020). Elifcan Yazgan has been appointed Supply Chain Director as of January 2021.