John Pye is an Associate Professor in the School of Engineering at the Australian National University. His background is mechanical engineering with an emphasis on thermal energy systems including system design, heat transfer, non-imaging optics, computational fluid dynamics, thermodynamics, simulation. His recent focus is on system-level design optimisation, heavy industrial decarbonisation, fluidised bed ironmaking and biomass gasification. He currently leads two projects: a project on de-risking hydrogen ironmaking with funding from the Australian Renewable Energy Agency (ARENA), as well as a project on the use of variable renewable energy sources in heavy industrial processes, with funding from the Heavy Industry Low-carbon Transition CRC (HILT CRC). He serves in the Steering and Education, Training & Adoption Committees for HILT CRC. He previously established the ANU course ENGN8833 "Industrial Efficiency and Decarbonisation", and currently convenes ENGN2222 "Engineering Thermodynamics". In the ANU Institute of Climate Energy and Disaster Solutions, he leads the Industrial Decarbonisation cluster.His PhD was at the University of New South Wales under the supervision of Em Prof Graham Morrison, on the topic of thermal modelling of the Compact Linear Fresnel Reflector, which was later commercialised by a French company, AREVA. His first postdoc was at ANU, working on the structural and optical design of the ANU 'SG4' Big Dish concentrator.