TR

Executives

İbrahim Yelmenoğlu
İbrahim Yelmenoğlu
General Manager

İbrahim Yelmenoğlu graduated from the Faculty of Political Sciences at Ankara University in 1991 and received his MS in Finance from the University of Illinois in 2003. Starting his career in 1987 at the Ministry of Finance, Mr. Yelmenoğlu worked at the Board of Tax Auditors in 1992. In 2004, he started to work at Koç Holding A.Ş. and served as Internal Audit Coordinator until 2006.

Following the privatization of Tüpraş and the transfer of 51% of Tüpraş’s shares to Koç Holding, he was appointed as CFO of Tupras and served in this position from January 27, 2006, to December 31, 2015. He was appointed as Tüpraş General Manager on January 1,2016.

He was born in Sungurlu in 1971, married with two children and speaks English.

Hasan Tan
Hasan Tan
Assistant General Manager
Hasan Tan graduated from the Department of Chemical Engineering at Middle East Technical University and received his MBA from the University of Pennsylvania. Mr. Tan’s career began when he started working in the Foreign Trade Department at Tüpraş as an engineer. He later served as Import Supervisor in charge of Diesel and LPG. In 1995, Mr. Tan was appointed Coordinator in charge of crude oil agreements and profitability analyses at the Crude Oil Supply Department and worked as LPG Supply and Sales Manager from 1999 until 2004. Between January 2005 and 2006, Mr. Tan served as Assistant General Manager for Supply at Opet Petrolcülük A.Ş. Following Tüpraş’s privatization on January 27, 2006, he was appointed Assistant General Manager in responsible of Crude Oil Supply and Foreign Trade at Tüpraş.
Doğan Korkmaz
Doğan Korkmaz
Assistant General Manager
He started his professional life with Koç Holding MT program in 1996 and started working in Arçelik A.Ş. Investment finance department at the same time. He held Corporate Finance and Financial Markets Strategist positions in Arçelik until 2007. In 2007, he became Treasury and Capital Markets Manager of Arçelik. In 2009, he became Finance Director at Beko plc, Arçelik’s UK subsidiary. In 2012, he became the Finance Director of Arçelik. Mr. Korkmaz graduated from Department of Business Administration at DEU in 1996. He has also completed his MBA program in Koç University in 2007 and Diploma in Global Business at Oxford University in 2013. As of 1 January 2016, he was appointed as Chief Financial Officer of Tüpraş. He was born in İstanbul in 1974, married with two children and speaks English.
Levent Zağra
Levent Zağra
Assistant General Manager

Levent Zagra started his career at Koç Holding Strategic Planning Department in 1996. He was appointed as the General Manager of Promena Electronic Commerce in 2002. Prior to his current role Zagra served as the Energy Group Coordinator at Koç Holding. He was appointed as the Assistant General Manager for Investment and Planning at Tüpraş in April 2016.

Zagra is a magna cum laude graduate of Worcester Polytechnic Institute and earned his MS and MBA from Cornell University.  

ÖZGÜR Kahramanzade
ÖZGÜR Kahramanzade
Assistant General Manager

He started his career as a Management Trainee at Beko Elektronik in 1994. He worked as a Project Engineer at Koç Holding in 1997. He was transferred to Zinerji A.Ş. as Project Officer in 2000. In 2001, He became Project Manager at Koç Holding. In 2005, he was appointed as the Marketing, Investment and Group Companies Director at OPET Petrolcülük and in 2006, he became Supply and Technical Assistant General Manager at OPET Petrolcülük. He served as the General Manager of Entek Elektrik Üretim A.Ş. during the period from December 2010 to April 2016. He was appointed as the Assistant General Manager in responsible of Sales and Marketing at Tüpraş in April 2016.

He holds a Bachelor’s degree in Mechanical Engineering from Boğaziçi University. He received his Master’s degree in Management from Purdue University, Krannert Business School. He was born in İstanbul in 1969. He speaks English and French.

İ. Serdar Kemaloğlu
İ. Serdar Kemaloğlu
Assistant General Manager

He joined Tüpraş as a process engineer in İzmit Refinery in 1993. During his refinery experience, he has held a wide variety of roles in units including FCC, CDU, VDU, Desulphuriser and Hydrocracker Units as Operation Supervisor and Operation Superintendent. In 2002, he assumed responsibility as commissioning superintendent in Isomerization Complex and in 2008 he managed the implementation of APC applications in Tüpraş. After being appointed as İzmir Refinery Production Manager in 2009, he became Batman Refinery Manager between 2013 – 2015 and Kırıkkale Refinery Manager between 2015 - 2017. As of 1 February 2016, he was appointed as Assistant General Manager for Technical Affairs

Kemaloğlu graduated from the Chemical Engineering Department of Middle East Technical University in 1991 and knows English fluently.

He was born in 1969 in Erzurum and married with two daughters.

METİN TÜFEKÇİOĞLU
METİN TÜFEKÇİOĞLU
İzmit Refinery Manager

Metin Tüfekçioğlu graduated from Chemical Engineering Department of Hacettepe University in 1995. He took his master’s degree from Koç University Executive MBA program. He started his professional life in Teksmak Kimya as an Engineer in 1996. After working for this company for two months he became a Tüpraş family member in 1996. He held various positions in Tüpraş between 1996 and 2016 such as Process Engineer, Process Supervisor, Process Units Superintendent, Planning Superintendent, Planning and Sales Manager, Head Office Operations Planning Manager, İzmit Refinery Operations Group Manager. On 12 July 2016 he was appointed as İzmit Refinery Manager to Tüpraş.

M. BEKİR Yumuk
M. BEKİR Yumuk
İzmir Refinery Manager

He started his professional carrier as Assistant of Professor in Istanbul Technical University in 1980. He joined Tüpraş in 1985 and worked as Process Engineer, Chief Engineer, Superintendent, Assistant Manager and Operations Manager in Kırıkkale Refinery for 17 years. He was transferred to Iskenderun Enerji Üretim A.Ş. in 2001 and worked as Boiler Department Manager at Sugözü Power Plant. He returned back to Tüpraş as Special Projects Manager in 2006. He was served at Batman Refinery Manager from March 1, 2012 and as of June 8, 2013, was appointed as Kırıkkale Refinery Manager. As of October 16, 2015, appointed to İzmir Refinery Manager

Yumuk graduaded from the Department of Chemical Engineering at Istanbul University in 1980 and completed his M.Sc. studies in the field of Petroleum Refining at University of Tulsa in 1984.

He was born in Antakya in 1957, and married with two children and speaks English.

Arda Yıldırım
Arda Yıldırım
Kırıkkale Refinery Manager

He started his professional life at AVEA Customer Relations Department in 2005. He joined to Tüpraş just after the privatization period to Koç Holding and started working as an Operation Engineer in charge of Power Plant in İzmit Refinery. He worked in Energy Management Department as Process Chief in 2009, then he was transferred to İzmir Refinery in 2010 and worked as an Operation Superintendent. He served at Technical Services Department of Tüpraş General Management as a Process Superintendent in 2012. Between years 2013 to 2015, he was in charge as Process Superintendent of Delayed Coker and Vacuum Distillation Units during the project evaluation, commissioning and start up phases of Residuum Up-grading Project (RUP) in İzmit Refinery. In 2015, Arda Yıldırım was appointed as an Operation Superintendent to Kırıkkale Refinery and he served as Production Manager after September 2015. As of February 2017, he was appointed as Kırıkkale Refinery Manager of Tüpraş. 
Arda Yıldırım is a Chemical Engineering graduate of Boğaziçi University and he has completed his MBA in Koç University in 2015.
He was born in Malatya in 1982 and married with one child.
 

SİNAN GİRGİN
SİNAN GİRGİN
Batman Refinery Manager

He started his professional carrier as technical services engineer at Ankara Akyak Trading Company in 1994. He joined TUPRAS in 1997 and served as Operations Engineer, Operations Supervisor, Operations Superintendent at Crude, Vacuum, FCC, Hydrocracker, Isomerization, Platformer and MQD units. He leaded the commissioning of isomerization Project in 2002 and GSIP Project in 2009. He was served at Izmit Refinery Production Manager from June 2, 2011 and as of October 19, 2015, was appointed as Batman Refinery Manager.

Girgin graduated from the Department of Chemical Engineering at Ankara University in 1994 and completed his M.Sc. studies in Executive MBA at Koc University in 2013.

He was born in Ankara in 1971, married with two children and speaks English