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Executive Board


Prof. Dr. Ahmet Kırman

Vice Chairman and CEO


Prof. Dr. Ahmet Kırman graduated of Ankara University, Faculty of Law. He holds a master’s degree in EU Competition Law, and Ph.D. in Commercial Law from Ankara University where he became Professor in Public Finance/Tax Law and served as a Faculty Member, Division Head, Head of the Finance Department and Institute Director. He also served as a faculty member at the Galatasaray University, Faculty of Law. Kırman started his career at İşbank in 1982, where he held various positions in banking and insurance operations. He served as Chairman and Board Member in several prominent companies, foremost amongst them being k, Milli s T.A.Ş. and Petrol Ofisi A.Ş. Prof. Dr. Kırman served Şişecam Group as Chairman between 2006 and 2008, as Chairman and Managing Director between 2008 and 2011 and he became the Vice Chairman and the Chief Executive Officer of Şişecam Group in April 2011. He also serves on TEPAV’s Board of Trustees and Board of Directors, BTHE’s and IAV’s and ICC Turkish National Committee’s Board of Directors, and the Turkish Shooting and Hunting Federation’s Board of Directors and Board of Legal Affairs. Prof. Dr. Kırman is the author of a large number of publications, including 12 books and numerous articles.

Dr. Reha Akçakaya

President, Flat Glass Group


Dr. Reha Akçakaya is a graduate of Boğaziçi University, Faculty of Mechanical Engineering. He received his B.Sc. and M.Sci. at the same university. Mr. Akçakaya completed his second M.Sci. in Alfred University, Department of Glass Science and Technology in the U.S.A. He completed his Ph.D. in Marmara University, Department of Engineering Management, and completed the Advanced Management Program of Harvard Business School in 2013. Having worked as a research assistant at the Boğaziçi University between 1985 and 1988, Mr. Akçakaya joined the Şişecam Group in the Flat Glass Group in 1988. After holding various managerial positions, he has been serving as the Flat Glass Group President since 2 January 2014.

Cemil Tokel

President, Glassware Group


Cemil Tokel graduated from Humberside University, Department of Management in 1991, and completed the Advanced Management Program of Harvard Business School in 2012. He joined Paşabahçe Tic. Ltd. Şti. as International Sales Representative in 1992, where he later worked as Supervisor of International Sales, Sales Development Director, and International Sales Manager. Appointed as Vice President of Marketing and Sales in 2012, Cemil Tokel has been serving as the Glassware Group President since 2 January 2014.

Abdullah Kılınç

President, Glass Packaging Group (Turkey)


Abdullah Kılınç graduated with a bachelor’s degree in mechanical engineering from the Middle East Technical University in 1990 and completed the Advance Management Programme of Harvard Business School in 2013. He joined Anadolu Cam Sanayii A.Ş. as production engineer at the Mersin Plant in 1992, where he later functioned as production supervisor in 1995. He was appointed as an Assistant General Manager to Mina Ksani Glass Container Company in Georgia in 1999. Brought to the position of Business Development Manager of Anadolu Cam Sanayii A.Ş. in 2003, Kılınç then served as the General Manager of Ruscam Ufa Plant, Operations Director of Russia Operations and Operations Director of the Glass Packaging Group. Mr. Kılınç has been serving as the Glass Packaging Group President -Turkey since 2 January 2014.

Aydın Süha Önder

President, Glass Packaging Group (Russia)


Aydın Süha Önder graduated with a bachelor’s degree in political science and public administration from the Faculty of Economic and Administrative Sciences at the Middle East Technical University in 1985. He joined İşbank in 1986 in the Economic Research Department, and began working as an assistant inspector at the Board of Inspectors the same year. He became Avcılar Branch Manager in 1998, Karaköy Branch Manager in 2001, Corporate Marketing Manager in 2003, Levent Branch Manager in 2006 and Gebze Corporate Branch Manager in 2007. Having served as Deputy CEO of İşbank since 2011, Mr. Önder joined Şişecam Group on 7 January 2014, and was appointed as the Glass Packaging Group President-Russia as of 12 February 2014.

Tahsin Burhan Ergene

President, Chemicals Group


Burhan Ergene graduated with a bachelor’s degree in mechanical engineering from İstanbul Technical University, in 1989. He completed the International Management Certificate Programme in İstanbul University, in 1990, and the Advanced Management Program at the Harvard Business School in 2012. He joined the Şişecam Group in 1990, where he held various managerial positions in the sales and marketing departments. In 2011, he was appointed as the Marketing and Sales Vice President of the Chemicals Group. He has been serving as the Chemicals Group President since 2 January 2014.

Görkem Elverici

Chief Financial Officer


Görkem Elverici graduated from the Middle East Technical University, the Faculty of Engineering-Department of Civil Engineering, and completed his MBA at Bilkent University. In 2015, Elverici completed the Advanced Management program at Harvard Business School. He is currently working on his PhD dissertation in Banking-Finance at Kadir Has University. He began his professional career İşbank in 1998. Throughout his career, he served in various middle and senior management positions at İşbank, HSBC Turkey, Deloitte Consulting and Accenture Consulting. Elverici joined the Şişecam Group in the capacity of Finance Director of Flat Glass Group on 1 March 2013. He has been serving as the CFO of the Şişecam Group since 12 May 2014.

Şengül Demircan

Chief Human Resources & Corporate Communications Officer


Demircan graduated from the Department of Industrial Engineering of Istanbul Technical University in 1997 and obtained her master's degree from Boğaziçi University Executive MBA program. Demircan started her career as a Management Consultant in Arthur Andersen. She worked as Human Resources Management Consulting Manager at Ernst & Young between 2002-2004. She served as Human Resources and Organizational Development Manager at Danone Tikveşli between 2004-2007, Assistant General Manager of Avea Human Resources between 2007 and 2011, Assistant General Manager Responsible for Human Resources at HSBC Bank between 2011-2017 and HSBC Global Human Resources Transformation Change -Leadership. Demircan has been serving as Chief Human Resources Officer at Şişecam Group since March 2017.

Prof. Dr. Şener Oktik

Chief Research Technological Development Officer


Prof. Dr. Şener Oktik graduated in Physics in 1976 and received M.Eng. in “Applied Physics” in 1977 from the University of Ankara. He was awarded a PhD by the University of Durham (UK) in 1982. He received an associate professorship in 1986, a full professorship in 1995, worked as lecturer/research scientist/ top executive at Durham University (UK), Lecce University (Italy), Stuttgart University (Germany), Selçuk and Muğla Universities (Turkey) and as senior research scientist/senior technologist/ expert and top executive at Imperial Chemical Industries PLC, BP Solar (UK), Industrial Research Labs of Durham University (U.K), Anel Group, Arikanli Holding and served as a Vice Rector (1998-2002) and the Rector (2002-2010) for Muğla University, and joined the Şişecam Group as the President of Research and Technological Development in 2012. He was a member of the Advisory Board of TUBITAK, Marmara Research Center (2003-2005) and a member of the “Turkish Delegation” for “The Accession Process of Turkey to European Union to negotiate Research and Technology, Education and Culture chapters. The author/co-author of over 100 scientific and technical publications, Prof. Oktik is the Chief Research & Technological Development Officer in the Şişecam Group since 1 January 2012.

Özlem Vergon

Chief Strategy Officer


Özlem Vergon graduated from Istanbul University, Department of Economics (English) in 1995, receiving her MBA from San Diego State University and completing the Advanced Management program at Harvard University in 2013. Vergon joined the Şişecam Flat Glass Group in 1996 as Planning Specialist Assistant and worked in various positions leading to Flat Glass Group–Planning Director. Since January 2015, Vergon is Chief Strategy Officer at the Şişecam Group. ??

Dr. Selma Öner

Chief Procurement Officer


Dr. Selma Öner graduated from Istanbul Technical University, Department of Industrial Engineering in 1995 and received her Master’s degree and Ph.D. from Boğaziçi University, Department of Industrial Engineering. She completed the General Management program at Harvard Business School in 2014. Ms. Öner started her professional career as a Research Assistant at Boğaziçi University and then joined Şişecam Group in 1997. She worked as Logistics Engineer at Paşabahçe Cam San. ve Tic. A.Ş. and later served in various managerial positions there before becoming Supply Chain Director at Trakya Cam A.Ş. In 2017, Selma Öner was appointed Group Procurement Coordinator at Türkiye Şişe ve Cam Fabrikaları A.Ş. In January 2018, she became Chief Procurement Officer of Şişecam Group.​​​​​​