Orhan Koral graduated from İstanbul Technical University with a degree in Civil Engineering in 1982. He also received a postgraduate degree from the Faculty of Management of İstanbul University. In 1985, he began his professional career as a civil engineer at Tepe Yapı and fulfilled various management positions at Holding companies. Serving as the member of Coordination Committee and Group President at Bilkent Holding, Orhan Koral is also Chairman of Bilintur Bilkent Tourism, Tepe Home Furniture and Decoration, Tepe Construction, Tepe Türkmen and Bilgayrimenkul.
Atila Kemal Oğuz graduated from Kuleli Military High School in 1982, and Yıldız Technical University Faculty of Civil Engineering in 1989. He later completed the Executive MBA Program at Bilkent University Faculty of Business Administration and Global Competition Strategies Program at the University of Michigan. He started working for the well-known companies in the industry as a Site Engineer, and continued his career in different positions as a Planning Engineer, Site Manager, Project Manager, Project Coordinator and General Manager. He is responsible for the management of corporate culture development, change strategies, investment and contracting projects of the company. Oğuz defines Tepe İnşaat as a company that is people and customer oriented and educates its employees. He tries to increase the share of the Turkish construction sector in the international contracting market. Experienced particularly in investment projects in Turkey besides superstructures and industrial structures in the contracting industry in foreign countries such as Croatia, Russia, Azerbaijan, Kazakhstan, Georgia, Germany, Iraq, Afghanistan, and Turkmenistan, Atila Kemal Oğuz has been working as the General Manager of Tepe İnşaat since 2010.
He graduated from Department of Civil Engineering of Middle East Technical University. Since 1989, he has taken responsibility and served in managerial positions at various levels in both domestic and overseas projects of various leading contracting companies of Turkey. The countries he has worked abroad are Turkmenistan, Russia, Ukraine, Kazakhstan, Azerbaijan, Iraq and Croatia, and the works he has completed in these countries are industrial facilities, airport, highway, housing, social facilities and business center projects. The projects it has completed domestically are hospital, pipeline, dam and hydroelectric power plant works. He completed his Master's Degree in Business Administration at Bilkent University between 2013-2015 also he completed the "Global Competition Strategy" in the USA Michigan Ross Business School in 2015 and the "Entrepreneurship and Strategic Management" programs in the USA Babson College in 2018. He first served in the Tepe Group between 1995-1996, and has been working as Deputy General Manager at Tepe İnşaat since 2013.
He graduated from Department of Civil Engineering of Middle East Technical University in 1992. In 2015, he completed the Executive MBA Program at Bilkent University Faculty of Business Administration and Global Competition Strategies Program at the University of Michigan. In 2017, he completed the Understanding Global Markets: "Macroeconomics for Executives" program at Massachusetts Institute of Technology (MIT). In 2001, Köse started to work at Tepe İnşaat Sanayi A.Ş. and served as Production Manager, Technical Office Supervisor, Project Manager and Project Coordinator in infrastructure, superstructure and industrial buildings in Turkey and Azerbaijan. From February 2016 to May 2019, he worked as the Assistant General Manager responsible for Domestic Projects. Since May 2019, he has been working as Contracting Projects Project Director.
He graduated from Department of Geophysical Engineering of Ankara University. Since 1992, he worked in areas of Planning, Cost Control, Project Management, and Project Development through various tasks at the construction sites and central units of Tepe İnşaat. He also served in managerial positions in various stages of important projects at Tepe İnşaat, including Bilkent Plaza Business and Shopping Center, World Bank MEER and TERRA Projects, Kanyon Shopping Mall-Office-Residential Complex, Buyaka Shopping Mall-Office-Residential Complex, Şişecam Yenişehir Flat Glass and Bottle Factories, Narcity and Narlife Houses. He worked as Project Development Manager, Coordinator and he is currently working as the Director of Investment Projects.
He graduated from Gazi University, Department of Civil Engineering in 1993., master of science degree in Structural Design Department in 1999 and he also graduated an Executive Master's Degree in Business Administration from Bilkent University in 2012. Since 1993, Tepe İnşaat Sanayi A.Ş., He worked with various titles such as civil engineer as a Project manager, Country manager and Business Development manager in various construction & countries sites and Ankara HQ office. He has been working as the Strategy and Business Development Director at Tepe Construction since 2019.
He graduated from Gazi University, Department of Civil Engineering in 1994. In the same year, he started his career as Static Project Engineer. Until 2001, he worked as Site Engineer, Technical Office Chief and Site Manager in various infrastructure and superstructure projects. In 2001, he started to work at Tepe Yapı, one of the Bilkent Holding companies. Between 2004 and 2008, he worked in Baku-Tbilisi-Ceyhan Pipeline and Diyarbakır Wastewater Treatment Plant Projects. Gürhan Koç served as the Director of Procurement & Support Operations of Tepe İnşaat between the years of 2008-2017 and he has been working as Procurement & Support Operations Director since 2017.