Jürg Liechti studied physics at the Swiss Federal Technical University (ETH) in Zurich and got his PhD in 1989. Since 1990 he works in the field of environmental and risk consulting. Since 2001 he leads the company Neosys AG, a provider of different sustainability services. His core competences are the introduction and implementation of management systems and the application of risk management in enterprises, waste management & recycling, Life Cycle Analysis (LCA) and the implementation and auditing of greenhouse gas mitigation projects. He is a licensed auditor for ISO 14001 environmental management systems as well as for the validation and verification of CDM- and JI-greenhouse gas projects (projects under the Kyoto protocol). He co-operates in committees of the Swiss national standards association (SNV), presently e.g. in the national mirror committee for the standard ISO 31000. He teaches at different courses in the fields of environmental management, risk management, CO2-management and sustainability management.