Senior management

Yusuf ŞENEL

Chairman of the Board

Yusuf Şenel, born in Kahramanmaraş in 1979, has carried out his educaiton and business life together since his early ages. Mr. Şenel graduated from Bolu Mimar İzzet Baysal Technical and Industrial Vocational High School. Although Mr. Şenel started his univertsity education in Kahramanmaraş Sütçü İmam University’s Textile Engineering Department, he saw the opportunities in business life and quit university and started working. After managerial experiences in various sectors, he established his own business. Mr. Şenel has served since the establishment of Naturel Yenilenebilir Enerji Ticaret A.Ş., which started its operations in 2009 and brought it to this day by taking over all the shares of the company in 2012. Mr. Şenel is currently the Chairman of the Board of Directors of Naturel Holding Group companies operating in various sectors.

Çağlar GÜLVEREN

Acting General Manager

Born in 1973 in İzmir, Çağlar Gülveren graduated from TED Ankara College in 1990. He completed his undergraduate degree in Business Administration at Ankara University in 1994 and earned a Master’s degree in Finance from Boston University in 2004. Çağlar Gülveren began his professional career in 1995 as an Assistant Auditor at the Capital Markets Board of Turkey (SPK). Until 2007, he worked in various departments of the SPK, primarily in the Audit Department, where he was involved in the auditing, authorization, and public offering processes of publicly traded companies and capital market institutions and transactions. From 2007 to 2024, he served at Tekfen Holding as the Director of Investor Relations and Corporate Governance for Group Companies, General Secretary of the Board of Directors, and a board member of various group companies. Joining Naturel Holding in September 2024, Gülveren currently serves as the Head of Investor Relations. Çağlar Gülveren holds the Chartered Financial Analyst (CFA) designation and all licenses issued by the Capital Markets Board of Turkey.

Tolgay BENDERLİ

Member of Board

Tolgay BENDERLİ was born on December 5, 1975, in İzmir. He completed his undergraduate studies at Hacettepe University, Faculty of Engineering, Department of Hydrogeological Engineering, and obtained his Master’s degree in Business Administration from the London College of Management. In the early years of his career, he worked in infrastructure construction projects and the energy sector, undertaking project and field engineering, site management, and project management roles in hydroelectric and geothermal power plants covering electricity generation and district heating systems. In the following years, he continued his professional life in executive positions in companies operating in the energy, construction, and industrial sectors. During the same period, he also served as a Board Member in various non-governmental organizations he was affiliated with. He took part in various commissions related to the energy market, including the Turkish Grand National Assembly’s Industry, Trade, and Energy Commission, the State Planning Organization’s Development Plans, and legislative and regulatory work on the Electricity Market Law, Mining Law, Law on the Utilization of Renewable Energy Sources for the Purpose of Generating Electrical Energy, and the Geothermal Resources and Natural Mineral Waters Law. He has managed numerous successful turnkey investments and projects concerning the production, transmission, and distribution of electricity and thermal energy, primarily in Turkey, but also in the Turkic Republics, the Gulf Region, and European Union countries. His roles included business development, production, contracting, project/investment financing, mergers and acquisitions, and operational management. Most recently, he served as a Board Member, CEO, and Vice Chairman of the Board at Doğan Geothermal Group of Companies, which operates in the energy, construction, industrial, and tourism sectors. He currently continues to hold Board Memberships at Naturel Renewable Energy and Margün Energy Production Joint Stock Companies.

Selma DİKMEN

Member of Board

She was born on February 27, 1969, in Eskişehir. She graduated from Anadolu University Faculty of Economics and Administrative Sciences, Department of Business Administration in 1991, and from Gazi University Institute of Social Sciences, Department of Accounting and Finance in 1998. She obtained her license as a Certified Public Accountant in 1998. She has worked as an accounting manager in various companies. She holds an independent audit license from the Public Oversight Authority and also an independent audit license from the Capital Markets Board (SPK). She is the mother of two children.

Mehmet ARPACI

Independent Board Member

Mehmet Arpacı was born in 1974 in Ankara, where he also completed his primary and secondary education. He earned his bachelor's degree in International Business with top honors from Eckerd College in Florida, USA. He later received his MBA from Florida Metropolitan University, specializing in Marketing, Organization, and International Business Management. Arpacı began his professional career in the energy and real estate sectors, holding various managerial positions. He served as Marketing Manager at Bilmer A.Ş., and from 2002 to 2010, he held key roles at Çalık Holding as Procurement Manager and Energy Trading Coordinator. Leveraging his extensive knowledge and leadership in the energy sector, he became the founding president of the Global Energy Foundation, an important initiative for the industry. In 2010, Arpacı was appointed General Manager of Atakule Real Estate Investment Company (REIC), where he managed all operations of the company. Under his strategic vision and innovative approach, Atakule REIC achieved a strong position in the real estate sector. As of January 1, 2022, he continues to serve as a Member of the Board of Directors and Deputy Chairman of the Executive Board at Atakule REIC. Additionally, following the general assembly held on March 23, 2023, he was appointed as a Member of the Board of Directors at Çemtaş Steel Machinery Industry and Trade Inc., one of Turkey’s largest industrial enterprises. On March 18, 2025, he also joined the Board of Directors of Bursa Beton A.Ş., the largest ready-mixed concrete producer in Bursa. The company plays a significant role in the city’s urban development by supplying high-quality concrete for strategic projects. As of May 26, 2025, he has been appointed as a Member of the Board of Directors at Naturel Yenilenebilir Enerji and Margün Enerji Joint Stock Companies. Fluent in English, Mehmet Arpacı is an enthusiast of classic sports and cycling, a passionate reader, a football fan, and an amateur nature photographer. He is married with three children and places great importance on family life alongside his professional achievements.

Çiğdem DİLEK

Independent Board Member

Born in 1977 in Şanlıurfa, Çiğdem Dilek, who graduated from Istanbul University Faculty of Law, is a lawyer. She completed her master's degree in Economic Law at Başkent University. Additionally, she received training in European Union Law at the London School of Economics for a period of 1 year in London. Lawyer Çiğdem Dilek continues her work primarily in energy law, as well as in commercial law, corporate law, construction law, trademark and patent law, and administrative law. Fluent in English, Çiğdem Dilek has represented numerous domestic and international companies and public institutions as a lawyer to date. Lawyer Çiğdem Dilek is the founding chair of the Ankara Bar Association Energy Law Commission. She is currently a Board Member of the Solar Energy Investors Association and the OSTIM Energy Cluster, as well as the Chair of the Ethics Committee at GÜNDER. Çiğdem Dilek also teaches courses on energy law, environmental law, and energy efficiency at various universities and private educational institutions. She has also provided training on Energy Performance Contracts to employees of the Ministry of Energy and Natural Resources as part of a World Bank Project.