1981 - 1991	University study of Chemical Engineering at the Graz University of Technology (graduated with distinction)
1994	Ph.D. on "Secondary Raw Material Wood Ash - Sustainable Economy in Connection with Energy Production from Biomass" (graduated with distinction)
since 1994	Head of the research group "Energetic Biomass Utilisation" at the Institute for Process and Particle Engineering, Graz University of Technology
since 1995	Managing director of the engineering company BIOS BIOENERGIESYSTEME GmbH, Graz (spin-off from the Graz University of Technology; specialised in research, development as well as in the planning, design and optimisation of plants for the production of heat and power from biomass fuels as well as for industrial waste heat utilisation)
1997	Habilitation on "Utilisation of Solid Biomass in Combustion Plants under Special Consideration of Ash-Forming Species"
since 1997	Venia for the subject "Energy and Environmental Technology"
1995 - 1997	Austrian representative in the International Energy Agency (IEA), Bioenergy Agreement, TASK XIII, "Integrated Bioenergy Systems"
since 1995	Lectures on "Energetic Biomass Utilisation" at the Graz University of Technology
since 1996	Coordinator and lecturer of the "Biomass Summer School" (international one-week seminar on thermal biomass utilisation)
since 1996	Scientific adviser to the European Commission, DG TREN, section "Biomass and Waste"
since 1998	Member of the editorial board of the international scientific journal Biomass and Bioenergy
since 1998	Austrian representative in the International Energy Agency (IEA), Bioenergy Agreement, TASK 32 "Biomass Combustion and Co-Firing"
since 2003	Key researcher at the Austrian Competence Centre “Bioenergy 2020+“ in Graz for the areas “Biomass Combustion and Energy Utilisation” as well as “Modelling and Simulation”
2003	Appointment as university professor for “Thermochemical Biomass Conversion” (part time) at the Technical University of Eindhoven (Netherlands)

• Managing director of the engineering company BIOS BIOENERGIESYSTEME GmbH
• Scientific head of the research group "Energetic Biomass Utilisation" at the Institute for Process and Particle Engineering, Graz University of Technology
• Key researcher at the Austrian Competence Centre “Bioenergy 2020+“
• Teaching (several lectures) at the Graz University of Technology and partly at other universities

• Characterisation of the physical properties and the chemical composition of biomass fuels and ashes
• Characterisation of the combustion and release behaviour of biomass fuels
• Research on the behaviour of ash-forming elements in biomass combustion / gasification processes and their influencing variables
• High-temperature thermodynamic equilibrium calculations for ash-forming elements and their compounds in biomass combustion and gasification plants
• Development of new biomass combustion technologies
• Technological and ecological optimisation of biomass combustion plants (NO_x reduction by primary measures, flue gas condensation, fractionated heavy metal separation, technological requirements for the thermal utilisation of straw and energy crops)
• Development of flue gas cleaning technologies (main focus on dust reduction and NO_x reduction)
• Development and demonstration of innovative small-scale biomass CHP technologies (ORC process, Stirling engine process, screw-type engine)
• Development and optimisation of process control systems for biomass combustion and CHP plants
• Aerosol formation and characterisation as well as possibilities of efficient aerosol precipitation in biomass combustion and gasification plants
• Mechanisms of deposit formation and corrosion in biomass combustion plants
• Simulation of flow and combustion/gasification in biomass-fired reactors and boilers using CFD (Computational Fluid Dynamics) under consideration of kinetic aspects
• Development of a hot gas in-situ measurement method (500 - 1,000° C) based on FT-IR spectroscopy for biomass combustion / gasification systems
• Technological and economic optimisation of the calculation and control of decentralised networks of pipes supported by computer aided calculation and simulation programs