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Organizational Chart of Oyak Concrete
Oyak Concrete Org Chart
www.oyakbeton.com.tr
has
13 executives
- and belongs to
Oyak
+90 312 278 7800
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General Manager & Director
Murat Sela
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Chairman of the Board
Suat Calbiyik
Chairman of the Board @ Unye Cimento
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Director
Ismail Doğan
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Director
Sezai Ensari̇
Director @ Erdemir
Director @ Isdemir
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Director
Gozde Erkoc
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Director
Eralp Tunçsoy
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Director
Baran Çeli̇k
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Director
Abdurrahman Çeli̇ker
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Concrete & Aggregate Operati...
E...
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Finance Affairs
A...
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HR
S...
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Industrial Activities
K...
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Sales & Supply Chain
O...
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Updated Feb 4, 2026
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Oyak Concrete has 13 executives
Oyak
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Erdemir
Erdemir Engineering
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Erdemir Romania
Ersem
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Oyak Concrete
Oyak Mining-Metallurgy Group
Oyka
Unye Cimento
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