Stephen Randall has over 40 years’ experience in chemical process engineering, energy research, environmental auditing and carbon management. He graduated as a chemical engineer and started work as a process engineer at an alumina plant where he was responsible for investigating plant energy use and designed and implemented a number of energy saving measures. He then moved into a research role, investigating the development of absorption heat pumps and solid oxide fuel cells. After returning to full time education to study for a Master’s degree in environmental technology he worked for 15 years for international environmental consultancy firms as an environmental auditor and carbon management consultant. Since 2007, he has worked as a freelance consultant. His work has included technical due diligence and preparation of registration documentation for CDM projects, development and verification of greenhouse gas inventories. In relation to the EU Emissions Trading Scheme, he has worked with trade associations in the development of emission benchmarks and has provided consultancy services to the European Commission in the assessment of free allocations for ETS phase 3 and 4.