Seit 2020 | Member of the scientific committee of the TUM SEED Center
Since 2017 | Member of the DWA Group HW-4.5 Time-Variant Flood Risk Factors
Since 2016 | Member of the DWA Group HW-4.1 Risk Communication
Since 2014 | Deputy Director of Group for Hydrological Sciences (Group of DWA)
Since incorporation 2011 | German Association for Hydrology, www.dhydrog.de
2011 – 2014 | Member of the jury for the award of the Bode-Ressource Price Water for the Association for the Promotion of Science and Humanities in Germany, www.deutsches-stiftungszentrum.de
2011 – 2014 | Member of the Steering Committee of the German Association for Hydrology
2011 – 2014 | Member of the scientific advisory council of the German Weather Service
Since 2010 | Member of the main committee of Hydrologie und Wasserbewirtschaftung of DWA
Since 2010 | Member of the management board of DWA
2010 – 2014 | Chairman of the main committee of Hydrologie und Wasserbewirtschaftung of DWA
2006 – 2012 | Member of the study group HW-4.5 Umsetzung der RIMAX-Ergebnisse in die Praxis in der DWA
2006 – 2010 | Member (deputy director) of the study group HW-4.2 Abflüsse aus extremen Niederschlägen of DWA
2003 – 2009 | Member of the study group HW-1.5 Hydrometrie offener Gewässer
2003 – 2007 | Member of the technical committee "Wissenschaften der deutschen UNESCO Kommission"
Since incorporation 2002 | Group for Hydrological Sciences (Group of DWA) www.fghw.de
2002 – 2009 | Director of the study group Öffentlichkeitsarbeit und Kommunikation of the "Fachgemeinschaft Hydrologische Wissenschaften" (Herausgeber des Hydrobriefs)
2002 – 2005 | Deputy director of "Fachgemeinschaft Hydrologische Wissenschaften" (Fachgemeinschaft of DWA)
Since 2001 | Member in the scientific advisory council of the German IHP/HWRP-National Committee
Since 2000 | Member of the study group HW-4.1 Hochwasserrisikomanagement of DWA
1998 – 2002 | Director of the group AG HW-2.3 Zusammenwirken der Hydrologen in der DWA
1998 – 2000 | Member of the study group HW-4.1 Hochwasserrisikomanagement of DWA
1997 – 2002 | Member of the study group HW-4.1 Hochwasserrisikomanagement of DWA
1997 – 1998 | Member of the KHR study group for morphological modelling
1996 – 2002 | Member of the BfG-study group Mathematische Modelle
1996 – 1998 | Member of the DVWK-study group Feststofftransportmodelle
Since 1993 | German Association for Water, Wastewater and Waste (DWA), www.dwa.de
Since 1993 | International Association of Hydrological Sciences (IAHS)
