Lucas Porsch is an economist and a Fellow at Ecologic Institute. In his work, Lucas focuses on impact assessments, policy evaluations, and welfare indicators. His main interest is providing policy makers with robust quantitative measures to enable them to understand the cost-effectiveness and full impacts of their policies on sustainable development. A native German speaker, he is fluent in English and has working knowledge of French.

Lucas Porsch is leading the development of methods and the data collection for the project Methodological Development of the EU Composite Index on Environmental Pressures commissioned by the European Commission's Directorate-General for the Environment (DG Environment) and is conducting impact assessments for DG Environment within the project Environmental Inspections as Tool for a Better Implementation of EU Environmental Law.  On behalf of the Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (BMU) and the Federal Environment Agency (UBA), he is conducting further impact assessments on soil protection. Lucas Porsch also heads an internal evaluation on the 7th Framework Programme (FP7) project Linking Impact Assessment Instruments to Sustainability Expertise (LIAISE), which develops a unique toolbox for impact assessment. Previously, he led the research project Integrating Mainstream Economic Indicators with Sustainable Development Objectives (IN-STREAM), which served to link mainstream indicators with sustainability measures. In spring 2011, Lucas Porsch analysed the environmental policy developments in Germany since 2001 for the Organisation for Economic Co-operation and Development (OECD).