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Corporate Governance

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Board of Directors

Cevdet Alemdar
Chairman

Cevdet Alemdar received his BS degree from Industrial Engineering department of Bogazici University in 1992 and completed his MBA degree in Sabanci University in 2000.

He joined the group in 1993 and has taken various leadership positions, respectively in Beksa, Sakosa, Kordsa, Temsa Is Makinalari and Brisa. After admistering wire investments serving to manufacturing and construction industries in Turkey, he has taken on general manager roles in Brazil, Thailand and China, and lead marketing and sales functions in technical textiles for Kordsa in South America and Asia Pacific regions.

Returning to Turkey, he has steered Kordsa’s R&D and innovation processes as VP of Technology and Market Development. Later, he guided Temsa Is Makinalari to transform from a construction equipment company to a heavy machines and truck provider in Turkey. Next, as CEO he lead Brisa, a joint venture of Bridgestone ve Sabancı Holding, an important tire manufacturing venture in the world and leader of Turkey’s tire and mobility solutions. From April 2020 onwards, he is Sabancı Holding Industrials SBU President.

He is TUSIAD’s board member, DEİK / Turkey - USA Business Council (TAİK) board member, Bogazici University alumni, Sabanci University alumni, chairman of the board for companies.

Ali Çalışkan
Deputy Chairperson

Ali Çalışkan received his BSc degree from Middle East Technical University, Department of Mechanical Engineering in 1983. He started his professional career as project engineer in 1984. He joined Kordsa in 1986 as technical office engineer. Following the establishment of Dusa (Sabancı- Dupont joint venture) in 1987, he was transferred to Dusa as project engineer. Starting from 1989, he assumed managerial roles in polymer production, yarn production, engineering maintenance and support, project and production departments of Dusa and Kordsa Turkey. He served as Operations Director of Kordsa Turkey (2005-2009) and Operations Director of Kordsa Turkey & Nilekordsa (2009- 2010). He held the position of Operations Director of Indo Kordsa and Indo Kordsa Polyester between 2010-2013. He served as the Vice President, Operations (2013-2015) and Chief Operating Officer - Europe, Middle East, Africa (2015-2017). Mr. Çalışkan has been the CEO since April 2017. From April 2022 onwards, he assign as the Secretary General of Sabancı University and a member of the Kordsa Board of Directors.

Gökhan Eyigün
Member

Mr. Gökhan Eyigün graduated from Management Engineering Department of İstanbul Technical University with honors degree in 1998. He had his MBA degree from Rotterdam School of Management in 2004; moreover, he attended several executive programs at Harvard Business School. Mr. Eyigün started his career at Arthur Andersen in 1998 where he was mainly specialized in Corporate Finance Advisory. He, then, took responsibility in the formation of Corporate Finance and M&A Advisory department at PricewaterhouseCoopers in 2004 and led the department afterwards. In 2007, Mr. Eyigün joined Sabancı Group where he contributed to Strategy and Business Development department at various executive roles until 2018. He served as the Secretary General of Sabancı Holding and the General Manager of Exsa, Tursa and AEO companies between 2018 and 2021; and he worked as the Executive Board Member of Temsa Motor Vehicles between 2020 and 2021, in addition. He was appointed as the Group President of Strategy and Business Development at Sabancı Holding in 2021. He continues to serve as the Secretary General of Sabancı Holding at the same time.

Güngör Kaymak
Independent Member

Güngör Kaymak, having graduated from Middle East Technical University (METU) Department of Industrial Engineering, started his professional career at Arçelik as an investment and planning project engineer in 1984. He then worked as an investment specialist at Auer and planning manager at Cerçelik. Kaymak joined IBM Turkey in 1989 and held various roles in international procurement, OEM, business solutions and sales departments until 1997. He worked for Hewlett Packard Turkey and assumed manufacturing and public sector sales manager roles in 1997-2001 and then moved to SAP Turkey as marketing and sales Director.

Kaymak joined Sabancı Group as the sales and marketing director of I-Bimsa in August 2002 and assumed BİMSA A.Ş. general manager role in 2004. He has also undertaken general manager role for Sabancı Telekom in 2005-2009, Sabancı Holding CIO and Bimsa board membership roles in 2011-2014 in addition to his main assignment. Kaymak moved to HP Turkey general manager role in 2014 and he is currently working as managing director of Hewlett Packard Enterprise (HPE) Turkey, Kazakhstan & Kyrgyzstan Cluster.

He is a member of TÜBİSAD, TÜSİAD, YASED, TBD and TBV. Kaymak participated in the advisory boards of the Industrial Engineering department of Bilkent University and the Computer Engineering department of Yeditepe University for a few years in the past and he is currently giving mentorship to executives in Turkey and abroad.

N. Orhun Köstem
Member

Orhun Köstem received his bachelor’s degree from Middle East Technical University Mechanical Engineering Department in 1991 and completed his MBA Program at the same university. He also has a master’s degree in Finance and Corporate Law from Bilgi University.

Mr. Köstem joined Anadolu Group in 1994 and held various management positions until 2008. In 2008, he was appointed as the CFO of Efes Breweries International and in 2009 continued his career as Corporate Finance Coordinator of Anadolu Group. Mr. Orhun Köstem pursued his career in Coca-Cola İçecek where he worked from 2010 to 2016 as the CFO and from 2017 to 2018 as the Regional Director responsible for Middle East and Pakistan. Mr. Köstem served as the CFO of Anadolu Efes between 2019 and 2021. Mr. Köstem has been in charge of Group CFO of Sabanci Holding since July 1, 2021. He is also the Chairman and Member of the Board of Directors of Carrefoursa and Kordsa, repectively.

Mr. Köstem is one of the three authors of the book “A Window to Capital Markets: The A to Z of Public Offering and Investor Relations” published in 2009. In 2016, 2019, 2020 and 2021 he was listed among “Turkey’s Most Influential 50 CFOs”, according to a research conducted by BMI Business School in collaboration with DataExpert. He was awarded as Turkey’s Best CFO in the Investor Relations Awards organized by Thomson Reuters Extel in 2011 and 2013, while he was also honored with the “Best CFOs” by Sell Side analysts in Consumer Sector in Emerging EMEA by Institutional Investor Magazine and Institutional Investor Research Group in 2020. He is also a member of CFO Network of World Business Council for Sustainable Development (WBCSD).

Şerife Ebru Doğruol Aygil
Independent Member

Ebru Dogruol received her BS degree from Industrial Engineering department of Bogazici University in 1992 and completed her EMBA degree in Koc University in 2001. She has joined Pfizer in 1994 and has assumed several global leadership roles with increasing responsibilities following her roles in the Turkish organization including sales, marketing, strategic planning, business development and finance. From 2009 onwards, she has taken on regional (Emerging Markets, China, International Developed Markets) and global marketing responsibilities across a diverse set of therapy areas and lifecycle stages by establishing and managing complex virtual organizations, defining go to market strategies, transforming busines models, leading launches, business development and growth initiatives. In 2018 she moved to vaccines group and took global responsibilities of several brands including the launch of the covid vaccine. Since March 2021, Ebru is the VP, Marketing Vaccines in EM&China.

Before joining Pfizer Ebru had started her career as a manufacturing engineer in Netas in 1992. She participated in the advisory boards of the Industrial Engineering department of Bogazici University. She is a mentor and advocate of education for children and equal opportunities for women. Ebru is a proud mom of two boys.

Corporate Governance

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