As head of OGE’s Gas Quality Competence Centre Tobias is an expert for both gas quality and methane emission issues. With regard to the topic of methane emissions, as co-chairman of the working group at FNBGas (Association of German Transmission System Operators), he is responsible for controlling all activities at national level. At international level, as a member of Marcogaz WG “Methane Emissions”, he represents the interests of the TSO and is actively involved in the standardization of methane emission topics within the framework of CEN TC 234.