Corporate

Gökhan Sığın holds a Bachelor’s degree in Mechanical Engineering from Boğaziçi University and an MBA degree from the University of Bristol in the United Kingdom. He began his professional career in 1997 as an Assistant Project Manager at Lister Peter Motor.

In 1999, he joined BSH, where he held senior management positions in planning and sales. Between 2015 and 2018, he served as CEO of the Middle East region, followed by his role as CEO of BSH Türkiye from 2018 to 2023. Between 2023 and 2025, he served as the Head of the Region of Emerging Markets.

Between 2023 and 2025, Gökhan Sığın also served as Chairman of the Board of the Turkish Association of White Goods Manufacturers (TÜRKBESD). Throughout his career, he has held various responsibilities in the fields of technology, innovation, and international management, gaining extensive experience in organizational transformation, development of innovative business models, and sustainable growth.

As of January 2026, Gökhan Sığın has been appointed CEO of the Vestel Group of Companies.

Mr. Sığın is married and has two children.

Born in Bursa in 1966, Necat Altın graduated from Textile Engineering Department of Uludağ University in 1987. Altın started his career at a Zorlu Holding company, Korteks A.Ş., in 1992. Necat Altın, took part in world’s largest polyester yarn production facilities as the Project Coordinator and fulfilled a highly important function for the timely completion of the project. After working as Deputy General Manager in charge of production between 1999 and 2004, Necat Altın was then appointed as General Manager of Korteks in 2004. Altın, who worked as Vice President of Zorlu Holding Textile Group since 2016, has become Zorlu Holding Textile Group President as of 01.01.2018. Altın, was board member at several nongovernmental organizations like Turkish Synthetic Yarn Producers Union and Bursa Organized Industrial Zone Industrialists and Businessmen Association (BOSİAD), and he has been acting as the Board Chairman of the European Man-Made Fiber Association, one of the world’s leading man-made and synthetic yarn platforms since November 2017. Fluent in English language,

Elif Yener graduated from Boğaziçi University, Department of Industrial Engineering Department in 2004. Between 2004 and 2010, she worked in project finance at Denizbank. Subsequently, she completed her MBA at Columbia University in the United States of America, graduating in 2011. She joined Zorlu Holding the same year and assumed the role of Strategy and Business Development Manager in 2012.

After joining the Zorlu Energy Group in 2014, Yener held several positions in the company, including Group Manager of Financial Affairs and Director of Financial Affairs. From 2019 to 2024, she served as the General Manager of Financial Affairs.

Yener is a member of the Integrated Reporting Network Turkey and a signatory to the CFO Principles for Integrated SDG Investments and Finance published by the CFO Coalition under the UN Global Compact.

As of January 1, 2025, Elif Yener has assumed the role of CEO of the Zorlu Energy Group.

Hakan Timur holds a Bachelor's degree in Economics from Istanbul University and a Master's degree in Energy and Technology Management from Sabancı University. He further enhanced his expertise by completing the “Chief Digital Transformation Officer” program at Northwestern University's Kellogg School of Management.

He began his career in 1997 at Marsa-Kraft Foods International, where he progressed from Human Resources Specialist to HR Manager. In 2006, he transitioned to the Sabancı Holding, taking on various roles across different companies and sectors, including international responsibilities. His career within the group included positions such as HR Manager at the Sabancı Food Group, HR Manager at Sabancı Holding, Global HR Director at Kordsa Global, Deputy General Manager of HR at Akçansa, and President of HR and Corporate Capabilities at Enerjisa. In 2018, Hakan Timur was appointed as Group President of Human Resources and Sustainability at Sabancı Holding.  Alongside this role, he served as a Member of the Executive Committee of Sabancı Holding and as Chairman of the Board of Teknosa until April 2023. Following this period, he led his own ventures in HR and Strategy Consulting, as well as in Digital Marketing.

Throughout his career, Hakan Timur has held various board-level positions, including Board Member and Vice Chairman roles in companies operating in sectors ranging from energy to technology. He has also been actively involved in several non-governmental organizations, including the Private Sector Volunteers Association (ÖSGD), the Association of Board Members (YKÜD), the Sustainable Development Association Turkey (SKDT), and the World Business Council for Sustainable Development (WBCSD). Between 2022 and 2023, he also served as Chair of the TÜSİAD Employment and Social Security Working Group.

As of October 2025, Mr. Timur has been appointed Human Resources Group President at Zorlu Holding.

Mr. Timur is married and has two children.

Burak Okay, who was born in Ankara in 1967 and completed his middle and high school education at TED Ankara College, graduated from Ankara University Faculty of Law in 1990. After completing the International Law Program in New York, he started working as a lawyer at the Legal Consultancy Department of Türkiye İş Bankası.(Isbank). Afterwards, he worked as Associate Counsel at Garanti Bankası (Garanti Bank), as Legal Consultant at MNG Bank, as Legal Affairs Director at Nortel Networks Netaş, and as partner at Bener Law Office. Okay joined the Zorlu Group in 2006 and restructured the Law Department which serves all companies of the Holding. Burak İ. Okay is married with two children.

Burak Aydin was born in Ankara in 1975. He graduated from METU Mechanical Engineering Department in 1997 and completed his master's degree in METU Business Administration Department in 1999. After working as consultant on various projects in Accenture’s offices in Germany and Austria, he took on roles in Strategic Planning Consultancy and Management roles at Siemens Business Services in Turkey. Between 2006 and 2017, Aydın held various positions a Intel Türkiye and most recently serving as General Manager. From 2017 to 2018, he was the General Manager at Silver Spring Networks and, between 2018 and 2021 at SabancıDx. In 2021, he became the General Manager for Turkey at Amazon Web Services, before joining our Group. Aydın joined Zorlu Holding as of December 2024. 

Graduating from Dokuz Eylül University, Department of Industrial Engineering in 1985, Alp Dayı received a Finance diploma from the University of California, UC Berkeley in 2006. Alp Dayı, who has been working as a senior manager in charge of financial affairs in various industrial organizations since 1987, joined the Vestel Group of Companies in 1999. In 2012, he took on the role of CFO of Vestel Group of Companies, responsible for both domestic and international subsidiaries of Vestel. Since March 2024, Alp Dayı has been serving as the Head of Financial Affairs Group of Zorlu Holding.

Ergün Güler, who holds an undergraduate degree in business administration from Dokuz Eylül University and an MBA degree from Bilkent University, started his career at Vestel in 1999 as Finance Specialist and served as the Deputy General Manager in charge of Financial Affairs and Treasury between 2006 and 2012. Appointed as Corporate Risk and Treasury Coordinator at Zorlu Holding in May 2012, Mr. Güler served as General Manager in charge of Domestic Sales and Marketing at Vestel Ticaret AŞ between October 2012 and September 2023. Ergün Güler, who became the CEO of Vestel Group of Companies in September 2023, attended Stanford University's Stanford Lead programme. Between September 2023 and April 2025, Ergün Güler served as the CEO of Vestel Group of Companies. As of May 2025, he has been appointed as Chief International Subsidiaries and Investments Officer of Zorlu Holding.

After graduating from Üsküdar American Academy, Arzu Pişkinoğlu completed her undergraduate study at the Economy Department of Boğaziçi University before starting her Professional career as an independent auditor at Ernst & Young. Pişkinoğlu then worked as Quality Assurance Department manager at Citibank Retail Banking and she was assigned as manager at Ernst & Young’s Consultancy Department. In this position, Pişkinoğlu gave consultancy service to many domestic and foreign companies engaged in diverse fields on many subjects including internal control, process development, risk management, internal audit, harmonization and financial transformation and became Consultancy Department Partner in charge of Risk Services in 2007. Pişkinoğlu joined Zorlu Holding in 2016. Pişkinoğlu conducts the Holding’s activities on the subjects of internal control, process risk management, process development and audit. She has many domestic and international certificates including Independent Accountant and Financial Advisor, Certified Internal Accountant (CIA), Certified in Risk Management Assurance (CRMA), Certified Internal Control Auditor (CICA).

Pişkinoğlu is married with two children.

Şahika Özcan Ortaç, who works as General Manager of Corporate Communications and Sustainability at Zorlu Holding, completed her undergraduate education in Guidance and Psychological Counseling and her master's degree in Public Relations at Marmara University. After working in different positions at A&B Communications, where she started working in 1998, Özcan Ortaç became the Managing Partner between 2010 and 2015. She worked as the Deputy General Manager of Corporate Communications at Zorlu Performing Arts Center between 2015 and 2017 before joining Zorlu Holding.

In addition to Zorlu Group's reputation communication, Corporate Communication, Brand Communication and Sustainability, Şahika Özcan Ortaç is leading Smart Life 2030 sustainability approach and social investments carried out under it, employee brand-oriented works, brand communicationand studies in the field of qualified education carried out under the umbrella of Mehmet Zorlu Foundation. Moreover; she continues to serve as a Board Member of imece, and Executive Board Member of Mehmet Zorlu Foundation.

İlker Özcan completed his undergraduate education at İstanbul Technical University’s Department of Civil Engineering in 2000, and then his master’s degree in Industrial Engineering at Leuven University in Belgium. Özcan successfully served as Regional Manager at Gondola Holding between 2004-2009, Operations Manager at İstanbul Doors Group between 2010-2012, Operations Director at Dream Group between 2012-2015, General Manager at Meri’s Group between 2015-2017, and General Manager of Zorlu Yapı Yatırım A.Ş. Gourmet Branch, one of the Zorlu Group companies between 2018-2022. İlker Özcan has been appointed as the General Manager of Zorlu Center as of June 1, 2022.

Özcan is married with one child.

Filiz Ova, who completed her high school education in Germany, studied Art History and American Literature at the University of Tübingen. In 2014, Ova joined the international education program of Devos Institute for Arts Management, implemented in cooperation with the Kennedy Center for the Performing Arts and University of Maryland, becoming the first art director from Turkey to be accepted to the program.

Filiz Ova, who started her career at the İstanbul Foundation for Culture and Arts in 2006, worked in the media relations department of the institution. Upon transferring to İş Art in 2008 after her office at İKSV, Ova started serving as Assistant Art Director and continued as Art Director until she left the institution in 2018. In addition to her duty as General Manager of Zorlu PSM, Ova currently teaches “Space and Logistics”, which deals with the management of healthy and sustainable cultural institutions, as visiting lecturer at the “Arts and Cultural Management” department of İstanbul Bilgi University’s Faculty of Communication.

Receiving her BS from the Electronics Department of Boğaziçi University after finishing Beşiktaş Anatolian High School, Ayşe Yağcı launched her career in tourism industry. After spending some time as a professional, she became a founding partner and manager of Jules Verne Travel&Event in 1998, a position she held until 2004. Under her leadership, backed with 20 years of experience in various fields of tourism industry, Jules Verne Travel&Event joined Zorlu Holding in 2004. Yağcı, who writes articles on tourism and travel for numerous newspapers and magazines, is also engaged in civil society efforts through her chairmanship of the E-Travel Committee of the Association of Turkish Travel Agencies (TÜRSAB) and her membership in the Tourism Working Group of the Turkish Industry and Business Association (TÜSİAD).