Since 1991 active in international Marketing & Sales as well as in Strategic Business Development in different business sectors, e. g. automative industry, security engineering, facility management, inftrastructure projects, for companies like Steyr-Daimler-Puch Spezialfahrzeug AG, Steyr-Daimler-Puch Sicherheitstechnik GmbH & Co KG, Kapsch AG, Waagner-Biro Brückenbau AG, OBB Infrastruktur Betrieb AG (belonging to the Federal Austrian Railways).
Since 1999 additionally active as licensed management consultant for international marketing, project management, financing, strategy and process management:
- Austrian Airlines AG, Austria or its subsidiary AVICON AG, Austria, respectively
- Austro Control GmbH, Austria
- Beijing Puran Railway Braking High-Tech Co Ltd.
- Bilfinger MCE GmbH, Austria
- CNS-Solutions & Support GmbH, Austria
- ComSolution GmbH, Austria
- Dijkstaal B.V., Netherlands
- Dr. techn. J. Zelisko GmbH, Austria
- EPG Eisenbahn- & Bauplanung Erfurt GmbH, Germany
- EPIN South Africa Ltd., South Afrika
- ESL Advanced Information Technology GmbH, Austria
- Frequentis AG, Austria
- IFE Automatic Doors Austria, Austria
- ILF Consulting Engineers Austria GmbH, Austria
- Ing. Karl & Albert KRUCH GmbH & Co KG, Austria
- INVER – Ingenieurbüro für Verkehrsanlagen GmbH Erfurt, Germany
- Knorr-Bremse GmbH, Austria
- Ministry of Fisheries and Aquatic Resources, Sri Lanka
- Molinari Rail AG, Switzerland
- Molinari Rail Austria GmbH, Austria
- Pintsch Bamag Antriebs- und Verkehrstechnik, Germany
- Steyr-Daimler-Puch Spezialfahrzeug AG & Co KG, Austria
- Tecfineon Anlagenbau GmbH, Austria
- TECON Engineering GmbH, Austria
- TÜV Austria Holding AG, Austria
- Wabtec Corporation of America, USA - Wilmerding
- Wabtec Europe GmbH, Austria
- Wabtec MZT, Macedonia
- Wabtec Poli S.r.l., Italy
- Wabtec Vapor Europe S.r.l., Italy
- ZAMG – Zentralinstitut für Meteorologie und Geodynamic (Central Institute of Meteorology and Geodynamics), Austria