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Organizational Chart of Oyak
Oyak Org Chart
www.oyak.com.tr
has
171 executives and 11 subsidiaries
+90 312 415 6000
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CEO
Murat Yalçintaş
Chairman of the Board @ Erdemir
Chairman of the Board @ Isdemir
Move
Chairman of the Board
Zekai Aksakalli
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Financial Investments & Fund
A...
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Member Services
E...
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Monitoring & Financial Affai...
M...
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Audit
H...
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Finance
E...
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Subsidiaries Operational Man...
V...
Director @ Erdemir Engineering
Director @ Ersem
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Treasury
B...
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Support Services & HR
S...
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Chief of Staff
M...
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Sustainability
E...
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Executive Director
G...
Chairman of the Board @ Ersem
Chairman of the Board @ Erdemir Madencilik
Chairman of the Board @ Erdemir Romania
Chairman of the Board @ Erdemir Engineering
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Legal
G...
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Legal
G...
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Energy
Y...
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CFO, Energy
M...
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HR, Energy
O...
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IT, Energy
M...
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Legal, Energy
C...
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Strategy & BusDev, Energy
A...
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Tech & Digital Transformation
N...
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Information Security
N...
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Updated Feb 15, 2026
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Oyak has 171 executives and 11 subsidiaries
Oyak
Erdemir
Erdemir Engineering
Erdemir Madencilik
Erdemir Romania
Ersem
Isdemir
Hektas
Oyak Concrete
Oyak Mining-Metallurgy Group
Oyka
Unye Cimento
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