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Sonay Avcı

Sonay Avcı
BSc in Environmental Engineering
speaks: Turkish, English

convex Ltd. Åžti., Istanbul
Specialist sales & business development

amc_neu
Ana-Maria Caballo

Ana-Maria Caballo
MSc
speaks: Spanish, German, English

convex ZT GmbH, Graz
Engineer

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Burçin Çelebi

Burçin Çelebi
speaks: Turkish, English

convex Ltd. Åžti., Istanbul
Office Manager

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Lukas Cernosta

Lukas Cernosta
Dipl.-Ing.
speaks: Czech, English

convex ZT GmbH
Civil engineer

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Anes Dzinic

Anes Dzinic
speaks: German, Bosnian, English

convex ZT GmbH, Graz
Project Manager
responsible for 3D-print and drone flight

 

 

 

 

 

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Konrad Edegger

Konrad Edegger
Dipl.-Ing. (FH)
speaks: German, English

convex ZT GmbH, Graz
Division Manager
responsible for training and education

Konrad Edegger studied construction design and management at the FH Joanneum Graz. He is division manager for special issues since 2016.

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Ertan Ertekin

Ertan Ertekin
BSc
speaks: German, English, Turkish, Russian

convex ZT GmbH, Graz
Site supervisor

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Madjid Fazeli

Madjid Fazeli
Dipl.-Ing.
speaks: Persian, German

convex ZT GmbH, Graz
self-employed

Madjid Fazeli studied civil engineering at the Graz University of Technology. He is co-founder of the engineering practice Fazeli-Wolfesberger Ingenieure GesBR. Madjid Fazeli joined convex ZT GmbH working self-employed in 2014.

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Salman Gandarov

Salman Gandarov
BSc
speaks: Spanish, Adyghe, Russian, English

convex ZT GmbH
Civil engineer

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Sandra Heiligenbrunner

Sandra Heiligenbrunner
Dipl.-Ing.
speaks: German, English

convex ZT GmbH
Authorised officer
Division Manager
responsible for Human Ressources

Sandra Heiligenbrunner completed an apprenticeship in technical drafting, and studied civil engineering at the FH Campus Vienna and after that at the FH Joanneum Graz. She is division manager for building construction since 2016 and authorised officer since 2017.

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Anita Hiden

Anita Hiden
speaks: German, English

convex ZT GmbH, Graz
Office Management

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Viktoria Hofer

Viktoria Hofer
Ing.
speaks: German, English

convex ZT GmbH, Graz
Engineer
responsible for team- and project photography

 

 

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Marina-Edvina Iosu

Marina-Edvina Iosu
Dipl.-Ing.
speaks: Romanian, English

convex consulting engineers s.r.l., Cluj-Napoca
Engineer

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YiÄŸit KamiloÄŸlu

YiÄŸit KamiloÄŸlu BSc
speaks: German, English, Turkish

convex ZT GmbH, Graz
Architect

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Emrah Kemaloglu

Emrah Kemaloglu
Dipl.-Ing.
speaks: Turkish, German, English

convex Ltd. Åžti., Istanbul

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Martina Klinger

Martina Klinger
speaks: German

convex ZT GmbH, Graz
Office Management

 

 

 

 

 

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Juraj Kmetko

Juraj Kmet'ko
Ing.
speaks: Slovakian, English

convex ZT GmbH
Engineer

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Florian Knobloch

Florian Knobloch
Dipl.-Ing.
speaks: German, English

convex ZT GmbH, Graz
Authorised officer
Division Manager

Florian Knobloch studied civil engineering at the Technical University of Graz. He is division manager for structural design since 2016, and authorised officer since 2017.

 

 

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Natalie Kraxner

Natalie Kraxner
Ing.
speaks: German, English

convex ZT GmbH, Graz
Project Manager

 

 

 

 

 

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Claudia Lackner

Claudia Lackner
Ing.
speaks: German, English

convex ZT GmbH, Graz
Engineer

jl
Jürgen Lohmann

Juergen Lohmann
Ing.
speaks: German, English

convex ZT GmbH, Graz
Division Manager
responsible for IT

Jürgen Lohmann graduated from the HTBLA Ortweinplatz in Graz. He is division manager for construction design since 2016.

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Ana Muzic

Ana Muzic
MSc
speaks: Croatian, English, Italian, German

convex ZT GmbH, Graz
Structural engineer

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Wolfgang Nesitka

Wolfgang Nesitka
FH-Prof. Dipl.-Ing. Dr.techn.
Legally certified expert
speaks: German, English

convex ZT GmbH, Graz
Partner

Wolfgang Nesitka studied civil engineering at the Graz University of Technology, and made his PhD at the same institution. He was Technical Director at the construction Company Ed. Ast & Co. in Graz, and in the following, Head of the Study Course "Construction Design and Economics" at the FH Joanneum University of Applied Sciences in Graz. He is founding partner of convex ZT GmbH.

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Erwin Neumeyer

Erwin Neumeyer
Ing.
speaks: German, English

convex ZT GmbH, Graz
Site Superviser

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Armend Nura

Armend Nura
Dipl.-Ing.
speaks: German, English, Albanian

convex ZT GmbH, Graz
Structural engineer

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Rajashree Omprakash

Rajashree Omprakash
BSc
speaks: Hindi, German, English

convex ZT GmbH, Graz
Engineer

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Roland Paier

Roland Paier
Dipl.-Ing.
speaks: German, English

DIROPA IT GmbH
IT Manager

Roland Paier studied Business Informatics and is Microsoft Partner (Datacenter and Midmarket Solution Provider). Since 2004 he has been in charge of the IT infrastructure of convex ZT GmbH.

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Katja Ratschiller

Katja Ratschiller
speaks: German, English

NYXAS OG
Website Designer

Katja Ratschiller is web designer. Since 2008 she is in charge of the website of convex_AT, convex_TR and convex_RO.

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Yahya Saral

Yahya Saral
Dipl.-Ing.
speaks: Turkish, English

convex Ltd. Åžti., Istanbul
Survey engineer

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Marinko Sekulic

Marinko Sekulic
Ing.
speaks: German, Bosnian, English

ZB Sekulic, Graz
Electrical engineer

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Murat Sezer

Murat Sezer
Technician
speaks: Turkish, English

convex Ltd. Åžti., Istanbul
Site supervisor

 

 

 

 

 

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Süleyman Sezer

Süleyman Sezer
Dipl.-Ing.
speaks: Turkisch, English

convex Ltd. Åžti., Istanbul
Civil engineer

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Izudin Sisic

Izudin Sisic
Ing.
speaks: Bosnian, German, English

convex ZT GmbH
Engineer
responsible for VR- and AR-applications

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Tacettin Sümer

Tacettin Sümer
Dipl.-Ing.
speaks: Turkish, English

convex Ltd. Åžti., Istanbul
Civil engineer

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Tassilo Szyszkowitz

Tassilo Szyszkowitz
Dipl.-Ing. Dr.techn.
speaks: German, English

convex ZT GmbH, Graz
Partner

Tassilo Szyszkowitz studied civil engineering at the Graz University of Technology, and made his PhD at the same institution. He co-founded the engineering practice Graber-Szyszkowitz ZT GmbH 1981 in Graz, Austria. Since 2006, he is partner of convex ZT GmbH.

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Jennifer Thorer

Jennifer Thorer
speaks: German, English

convex ZT GmbH, Graz
Engineer

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Fabian Till

Fabian Till
Dipl.-Ing.
speaks: German, English

convex ZT GmbH, Graz
Civil engineer
responsable for 360° photography

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Elisabeth Uhl

Elisabeth Uhl
Ing.
speaks: German, English

convex ZT GmbH, Graz
Engineer

 

 

 

 

 

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Seda Üstünses

Seda Üstünses
MSc in Environmental Engineering
speaks: Turkish, English

convex Ltd. Åžti., Istanbul
Senior specialist sales & business development

 

 

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Timur Uzunoglu

Timur Uzunoglu
Dipl.-Ing. Dr.techn. MICE CEng
speaks: German, Turkish, English, French

convex ZT GmbH, Graz
Managing Director
responsible for quality assurance

convex consulting engineers s.r.l., Bucharest
Director

Timur Uzunoglu studied civil engineering at the Vienna University of Technology, and made his PhD at the Graz University of Technology. In 2004, he founded convex ZT GmbH. Timur Uzunoglu is teaching Industrial Construction at the FH Joanneum Graz since 2005. He represents the British "Institution of Civil Engineers" in Austria.

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Laszlo Gergely-Varga

Laszlo Gergely-Varga
Dipl.-Ing.
speaks: Romanian, Hungarian, German, English

convex consulting engineers s.r.l., Cluj-Napoca
Authorised Officer

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Veronika Vasileva

Veronika Vasileva
BSc
speaks: Bulgarian, English, German, Russian

convex ZT GmbH, Graz
Architect

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Murat Gökce

Murat Gökçe
Dipl.-Ing.
speaks: Turkish, German, English

convex Ltd. Åžti., Istanbul
Managing Director

Murat Gökçe studied civil engineering at the Istanbul University of Technology and in the following, at the Vienna University of Technology. After fifteen years of management experience in various international companies, he joined the convex group in 2006 as founding partner of convex Ltd. Şti.