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Meet the Team

Spectra QEST employs experienced staff in the areas of civil engineering, materials engineering, IT, software development and general business administration, including sales executives.

Our staff is currently stationed in Adelaide, South Australia (our Head Office); in Melbourne, Victoria; in Sacramento, California; Denver, Colorado; Seattle, Washington and Calabash, North Carolina.


Our Leadership Team is made up of Senior Executives with extensive IT and/or Engineering credentials, that have been with Spectra QEST for 10 years or more. They combine many decades of experience in designing, implementing and supporting specialist technical software in the construction materials testing, geotechnical testing and construction materials manufacturing industries.

Dirk Janek

Chief Executive Officer

Stephan Mavrakis

Head of Global Sales

Michael Sautner

Chief Financial Officer

Beth Mayo-Yurek

Vice President, North America

Krzysztof Kot

Product Manager

David Lucas

Software Development Manager