Oguz Tezmen

Director/Board Member at TERA YATIRIM MENKUL DEGERLER

Net worth: 835 M $ as of 30/06/2026

Finance

Communications

Consumer Services

Profile

Oguz Tezmen is currently Chief Executive Officer at Turkish Cement Manufacturers' Association, Chairman at Arena Faktoring AS, Honorary Chairman at Tera.
Yatirim Menkul Degerler AS, Chairman at Turkish Airlines Ao since 1997, Director at Toprak Holding AS, Director at European Cement Association, and Director at Türk Girisim ve Is Dünyasi Konfederasyonu.
Formerly, Mr. Tezmen was Chairman at Türk Telekomünikasyon AS from 1989 to 1993 and Deputy Undersecretary at Devlet Planlama.
Teskilati from 1989 to 1993.
Education includes an undergraduate degree from Ankara University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
TERA YATIRIM MENKUL DEGERLER AS 31.43%	01/01/2025	220,032,028 ( 31.43% )	835 M $	30/06/2026

Oguz Tezmen active positions

Companies	Position	Start
TERA YATIRIM MENKUL DEGERLER	Director/Board Member	-
Arena Faktoring AS Arena Faktoring AS Finance/Rental/LeasingFinance Provides short and medium term financing and factoring services	Chairman	-
Toprak Holding AS	Director/Board Member	-
Turkish Cement Manufacturers' Association	Chief Executive Officer	-
Türk Girisim ve Is Dünyasi Konfederasyonu	Director/Board Member	-
European Cement Association European Cement Association Miscellaneous Commercial ServicesCommercial Services Operates as a representative organization of the cement industry	Director/Board Member	-

All active positions of Oguz Tezmen

Former positions of Oguz Tezmen

Companies	Position	End
Devlet Planlama Teskilati	Corporate Officer/Principal	01/01/1993
TÜRK TELEKOMÜNIKASYON ANONIM SIRKETI	Chairman	01/01/1993

See the detail of Oguz Tezmen's experience

Training of Oguz Tezmen

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Oguz Tezmen's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	9
Türk Telekomünikasyon AS Türk Telekomünikasyon AS Major TelecommunicationsCommunications Provides PSTN and wholesale broadband services	Communications
Ankara University Ankara University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Toprak Holding AS
European Cement Association European Cement Association Miscellaneous Commercial ServicesCommercial Services Operates as a representative organization of the cement industry	Commercial Services
Turkish Cement Manufacturers' Association
Devlet Planlama Teskilati
Arena Faktoring AS Arena Faktoring AS Finance/Rental/LeasingFinance Provides short and medium term financing and factoring services	Finance
Türk Girisim ve Is Dünyasi Konfederasyonu
Tera Yatirim Menkul Degerler AS Tera Yatirim Menkul Degerler AS Investment Banks/BrokersFinance Provides investment banking services	Finance