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- Technical University Graz
- Since 1992: “Zivilingenieur” (Patent Engineer), registered Consulting Engineer

- Since 1983: Office for “Fels- und Tunnelbau”, Prof. Dr. F. Pacher, Project Manager
- 1983 – 1988: “Ingenieurgemeinschaft Prof. Dr. F. Pacher – Dipl.Ing. N. Ayaydin”
- 1988 – today: „IGT Geotechnik und Tunnelbau“
Nejad Ayaydin Werner Ramspacher Christian Kitzler
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