… Thomas Solbach entered the Federal Ministry of Economic Affairs and Energy in 1999. He took over the position of head of unit for public procurement policy in … Engineer. She is research associate at the German Environment Agency since 1999. Since 2009 she works in the field of sustainable products and consumption, … Thomas Solbach entered the Federal Ministry of Economic Affairs and Energy in 1999. He took over the position of head of unit for public procurement policy in …