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Seilerstätte 15
1010 Vienna | Austria

+43 1 890 21 72 - 0

+43 1 890 21 72 - 50


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Oliver Haschka completed his master’s degree in telecommunications at the University of Applied Sciences in Vienna. He has 15 years of experience in technical sales, project management, key account management and business development in the energy and telecommunication business with a focus on smart grids. In the last 8 years he gained valuable experience in heading international technical and non-technical sales organisations across Europe including people management.

In these years he worked as Head of Technical Sales for the Siemens Group, as Technical Sales manager for the VATECH Group, as Project Engineer for Nokia Networks and as Sales Director for the Mayr Melnhof Group. His hands-on mentality combined with strong analytic skills and his well-structured execution of work enables him to succeed in finalizing the technical realization and operation of 
GREEN SOURCE projects.

He is responsible for all aspects of project implementation, operation and maintenance.