Board of Directors

Cevdet Alemdar joined Sabancı Group in 1993 and took various leadership positions, respectively in Beksa, Sakosa, Kordsa, Temsa İş Makinaları and Brisa.

During first half of his career, he has lead manufacturing investments in Türkiye and managed factories serving to tire industries in Brazil, Thailand and China. Returning to Türkiye, he has steered Kordsa’s R&D and innovation processes as VP of Technology and Market Development.

From 2013 onwards, as CEO, he steered Temsa İş Makinaları to transform from a construction equipment company to a Komatsu heavy machine and Volvo truck provider in Türkiye. Next, from 2017 onwards, he led Brisa, a joint venture of Bridgestone and Sabancı Holding, a prominent tire manufacturing venture in the world and leader of Türkiye’s tire and mobility solutions. From April 2020 onwards, he worked as Sabancı Holding’s Industrials SBU President. Since April 2024, he is leading Sabancı Holding’s Mobility Solutions SBU as President. He is also the Chairperson of the Board of Brisa, Temsa Skoda Transportation and Temsa Motorlu Araçlar, Member of the Board of Teknosa.

He is SUNUM’s (Sabancı University Nanotechnology Research and Application Center) Chairperson of the Board, TUSIAD’s Board Member, Chapter Zero Steering Committee Chairperson and Boğaziçi University alumni. Mr. Alemdar’s career reflects a breadth of experience in industrial engineering and business management across different regions and sectors.

Cevdet Alemdar holds a Bachelor of Science in Industrial Engineering from Boğaziçi University, obtained in 1992, and an MBA from Sabancı University, completed in 2000.

Tomio Fukuzumi graduated from Osaka City University, Department of Economics. He joined Bridgestone in April 1988. In his career, he worked in mainly international tire business and worked as Tire Sales Director and Managing Director in Korea, USA Chicago, Belgium Brussels, India and Thailand. Fukuzumi was assigned as Director of Tire International Business at BSJ Head Office in 2016, and also served as a Member of the Board of Directors in Bridgestone Americas (BSAM), Bridgestone Europe, Middle East, India and Africa (BSEMIA) and Bridgestone Asia Pacific (BSCAP). Fukuzumi has been working at Brisa since December 21, 2022.

Mustafa Bayraktar graduated from the Finance Department of Alabama University and received his master’s degree in the same field from Boston College. Since 2002, he has been serving as the Chairperson of the Board of Directors of Hüseyin Bayraktar Yatırım Holding A.Ş.

Bayraktar has been serving as the Chairperson of the Board at Baylas Otomotiv A.Ş., Baytur Motorlu Vasıtalar Tic. A.Ş., Ege Fren Sanayi ve Ticaret A.Ş., Ege Endüstri ve Ticaret A.Ş. and EAT Ege Araç Teknolojileri A.Ş.

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. Mr. Eyigün is also the Vice Chairman of the Board at Afyon Çimento, Çimsa, Exsa and Temsa Motorlu Araçlar. He is a member of Board at Dx Technology Services and Investment BV (SabancıDx BV), SabancıDx, Carrefoursa and Temsa Skoda Ulaşım Araçları. He is responsible from Sabancı Ventures and Sabancı ARF Almost Ready to Fly at the same time.

Jacques began his career in Finance with Price Waterhouse Coopers, after completing his studies at the University of Pretoria. He joined Cummins in 2004 as the Finance Director for Southern Africa before transitioning to Finance Director for the Africa organization in 2006. In 2008, Jacques was assigned as Managing Director for Cummins Ghana and became responsible for establishing the Cummins-owned distributor after acquiring the long-term, independent distributor in the region. In 2011, he was assigned as the Managing Director for Cummins Southern Africa, a distributor region covering 11 countries with direct and indirect distribution channels. In 2014, Jacques took on a commercial role as Director of Sales and Marketing for the Africa business before being promoted to the global distribution organization as Executive Vice President of Operations and relocating to the USA in 2015. In 2017, Jacques was further promoted to President of Cummins Rocky Mountain in North America.

Jacques returned to South Africa in 2019 to take on the Bridgestone South Africa Group CEO role. At Bridgestone, his task was rebuilding the business strategy, channels, and access to market and fully transform the sales and marketing organization. In 2022, Jacques was promoted to President of Africa, Middle East and CIS markets, a position he continues to hold today, and joined the EMEA Management Board.

Jacques holds a Bachelor’s Degree in Finance & Accounting (Honors) from the University of Pretoria (South Africa).

Jérôme Boulet serves as Vice-President Logistics and Supply Chain Management of Bridgestone Europe Middle East and Africa (EMEA), a position he has held since February 2021. He also serves as Board Member of Bridgestone Middle East and Africa, headquartered in Dubai.

In his role, Boulet maintains executive leadership over the end-to-end supply chain from procuring raw material, planning, manufacturing, to warehousing and distributing Bridgestone tires across EMEA geographies. As member of the Global Supply Chain Management Committee of Bridgestone Corporation, he is also the architect of the next-gen supply chain, which will maximize value creation by closely connecting customers and the value chain, this to result in a “resilient excellent Bridgestone.”

Since he joined Bridgestone in 2001, Jérôme Boulet took diverse leadership positions that spanned product management, digital venture, merger and acquisition, supply chain management, manufacturing strategy and procurement. In recent years, Boulet has spearheaded the mobility solutions strategy for Bridgestone EMEA and led the acquisition of TomTom Telematics in 2019 (known today as Webfleet Solutions).

In 2020, Boulet joined the COO office and led multiple large-scale transformations in the field of logistics optimization, manufacturing footprint restructuring and procurement outsourcing.

Boulet also worked for several years at Accenture, where he was centred on working with Boards of Fortune 500 companies on largescale supply chain transformation in Pharmaceutical, Automotive, Steel and Chemical sectors.

Jérôme Boulet earned his bachelor’s degree in business and economics from ESCIP School of International Business, France.

Arianna Antonella began her career in 2005 as a Corporate Finance and Capital Markets Trainee at Norton Rose Fulbright. In 2007, she moved to Baker & McKenzie’s Milan office as an Associate in the Corporate and M&A Department. From 2010 to 2016, she held the role of Head of Legal for Group Corporate Affairs and M&A at Italcementi S.p.A., a leading Italian company in the building materials industry (now part of the Heidelberg Materials Group). In 2017, Arianna joined Bridgestone EMEA as Head of Legal and Compliance for the European South Region. She was promoted to Legal and Compliance Director for Europe in October 2019, a position she continues to hold today.

Haluk Kürkçü received his undergraduate degree in Mechanical Engineering from Middle East Technical University in 1984. 

Kürkçü started to work at Brisa in 1986 and served in managerial positions at production planning, industrial engineering and production areas in the following two decades. He was appointed as Production Director in 2006 and served as Engineering Director between 2015-2018. Kürkçü has served as Vice- Chief Technical Officer (CTO) since 2018 and was appointed as CEO of Brisa on July 1, 2020.

Kürkçü also serves as the Chairperson of the Board of Directors of Arvento Mobile Systems.

Outside the Group, he is a Board Member of LASDER (Tire Industrialists Association), Chairperson of the Board of LASİD (Tire Industrialists and Importers Association), Board Member of TÜSİAD (Turkish Industry and Business Association) and Kalder (Turkish Quality Association).

Şebnem Önder started her career at White & Case LLP in Türkiye as an Associate in 1994. She then took her expertise to New York between 1999 and 2000, working in the same capacity at the company’s headquarters. Her tenure at White & Case LLP saw significant progression when she returned to Türkiye to serve as a Partner until 2014.

In 2014, Önder transitioned to British American Tobacco (Türkiye & North Africa), where she took on the role of Legal Director. Her responsibilities expanded as she assumed the position of European Regional Head of Compliance between 2018 and 2022, overseeing compliance activities across the region.

Since September 2022, Şebnem Önder has been serving as the Legal and Compliance President at Sabancı Holding. In addition to her executive role, she holds board memberships at several Sabancı Group companies, including Akçansa, Brisa, Carrefoursa, Temsa Skoda Sabancı Ulaşım Araçları, and Sabancı Building Solutions B.V., contributing her legal and compliance expertise to the governance of these entities.

Şebnem Önder completed her law education at Ankara University Faculty of Law in 1994.

After receiving his undergraduate education in Civil Engineering at Istanbul Technical University, Ahmet Erdem completed his degree in Engineering Management at Istanbul University Graduate School of Business Administration.

Erdem, who started working at Shell in 1990, worked at top executive levels in Türkiye, the Middle East and Europe. After serving as Greece and Türkiye Investment Manager and Türkiye Retail Sales Manager, in 2006, he joined Shell & Turcas Petrol A.Ş., where he is currently the Chairperson of the Board of Directors. He played an important role in the establishment of the Shell & Turcas joint venture. After serving as Retail General Manager and Executive Committee Member during the integration of the joint venture, he served as Country Chair Shell Kenya and Chairperson of Shell Kenya, the centre of Shell’s activities in East Africa. Ahmet Erdem received training on financial and reputation risk management at Royal Dutch Shell and has 20 years of risk management experience across the country.

Erdem currently serves as Country Chair of Shell Türkiye as well as Chairperson of Shell & Turcas A.Ş.

Ahmet Erdem previously served as Independent Board Member of Sabancı Holding and Chairperson of the International Investors Association (YASED) for two terms. He currently serves as the Chairperson of the Petroleum and Petroleum Products Industry Council of the Union of Chambers and Commodity Exchanges of Türkiye (TOBB), Chairperson of the Board of Directors at Turkish Oil Industry Association (PETDER) and the Energy Efficiency Association (ENVER), Board Member of the United Nations Global Compact Türkiye and the Advisory Board Member of the British Chamber of Commerce.

She was born in Istanbul in 1963. After graduating from the Sankt Georg Austrian High School, she graduated from Boğaziçi University, Department of Business Administration. She completed the joint MBA Program of Manchester Business School & University of Bangor.

She started her career at Interbank in 1988. She worked as a Director at Bankers Trust A.Ş. between 1990 and 1999, as General Manager and Deputy General Manager at Deutsche Bank A.Ş. between 1999 and 2007, as General Manager and Head of Client Coverage at Credit Agricole Yatırım Bankası Türk A.Ş. between 2007 and 2012. She served as General Manager and Head of Corporate and Institutional Clients at Standart Chartered Yatırım Bankası Türk A.Ş. between 2012 and 2016. Yardım, who provided consultancy to the UK-based Experian company on its Türkiye growth strategy between 2017 and 2018, has been serving as the Istanbul Branch Manager of the Commerz Real real estate investment fund based in Germany since 2019.

Yardım served as an Independent Board Member at Pınar Entegre Et ve Un Sanayii A.Ş. and Altın Yunus Çeşme Turistik Tesisler A.Ş. between 2021-2023 and has served as an Independent Board Member at Çimsa Çimento Sanayi ve Ticaret A.Ş. and Enerjisa Enerji A.Ş. since 2018.

She played roles in non-governmental organizations such as YASED, TÜSİAD, DEİK throughout her business life.

She speaks English and German.