Directors

Dirk Janek
Director, Technology & Products

Dirk joined Spectra QEST in 1991, and became a member of the company's Board of Directors in 1998.

In his role as Director, Technology & Products, Dirk heads the management teams responsible for the future of the flagship QESTLab and QESTMix platforms as well as overseeing the professional services division.

He has extensive expertise in designing, integrating and implementing enterprise grade solutions for large multi-site operations. Dirk is considered a leading expert in leveraging software technology to allow engineering laboratories to extract efficiency, quality and standardisation from their operations.

Stephan Mavrakis, BSc, BE(Elec), GradDipBusEnt, MIEAust
Director, Resources & Markets

Stephan joined Spectra QEST in 1997, and became a member of the company's Board of Directors in 1998.

He holds a Bachelor’s Degree in Electrical/Electronic Engineering, a Bachelor’s Degree in Mathematics (majoring in Computer Science) and postgraduate qualifications in Business Innovation and Commercialisation.

Stephan is currently responsible for overseeing the day-to-day management of all the companies in the group, the growing marketing and sales office, and the human resources department. Other responsibilities include business planning, markets development and, in general, the development of the resources that will enable Spectra QEST to grow internationally and realise more of its considerable commercial potential.

Dr. Manfred Sautner, PhD (Civil), MIEAust, CPEng
Director, Research & Development

Manfred established Spectra Systems (later renamed Spectra QEST) in January 1984.

He holds a PhD in Civil Engineering (University of Stuttgart) with a focus on experimental modeling of concrete behaviour.

Manfred identified a need for a comprehensive laboratory database and quality control system for premix concrete producers and used his extensive engineering knowledge and IT skills to produce Spectra's first product, the CACTP (Computer Aided Concrete Testing Package). He remained the Managing Director of Spectra for the next 14 years, evolving more ideas into products for related industries. Manfred stepped down as Managing Director early in 1998 to pursue related interests by taking a technical position in the construction materials industry, with his roles including Regional Technical Manager and later National R&D Manager in one of Australia's major construction materials producers.

Since 2007 Manfred has returned to Spectra QEST to head the concrete technology team, that is currently working on a $1.5M R&D program aiming to push further the boundaries of what is possible to achieve with software in the areas of concrete design, centralised mix maintenance/management and optimisation, production control and performance monitoring.

 

Management Staff

Vaijayanti (Vaiju) Joshi, BE(Elec&Comms), ME(IT)
Manager, Implementation and Support

Lief Martin, BE(CompSys, Hons)
Product Manager, QESTConcrete

Darren Fidler, BE(CompSys, Hons)
Product Manager, QESTLab

Michael Sautner, BE(Civil, Hons), BSc
Manager, Technical Marketing & Sales