Member of Project New numerical and computational methods for the solution of differential equations with applications in environmental issues

financed by The European Union & The Ministry of Education, Lifelong Learning and Religious Affairs of Greece (01/2012-08/2014)

Leader of the bilateral German-Vietnamese Projec Mathematical Modelling and Numerical Algorithms for Simulation of Oil Pollution,

financed by the IB of the BMBF (10/2010-09/2012)

Member of Project Far field boundary conditions for linear hyperbolic systems, financed by a DAAD scholarship for Tareq Amro (06/2010-08/2010)

Member of the Leibniz Group 1 COupled Fluid Flow in Energy and Environmental research, financed by the Leibniz Association (03/2008-09/2009)

Leader of the bilateral German-Slovakian Project Finite Differences for Financial derivative models, financed by the DAAD (01/2007-12/2008)

Leader of the bilateral German-Norwegian Project Transparent Boundary Conditions for the Equations in Meteorology, financed by the DAAD (01/2006-12/2007)

Head of Project D11 of the DFG Research Center Mathematics for Key Technologies (11/2002-05/2006)

Leader of the bilateral German-Vietnamese Initiation Project Mathematical Modelling and Advanced Numerical Algorithms for Simulation of Air and Water Pollution, financed by the IB of the BMBF (04/2005-07/2005)

Leader of the bilateral German-Greek Project New Mathematical and Numerical Techniques in Underwater Acoustics, financed by the DAAD (01/2004-12/2005)

Member of the working group 2 of the COST Action 2100 -Pervasive Mobile and Ambient Wireless Communication (started 12/2006)

Member of Team-D1 of European Research Training Network Hyperbolic and Kinetic Equations: Asymptotics, Numerics, Analysis(08/2002-07/2005)

Member of TMR-Network Asymptotic Methods in Kinetic Theory (03/1998-12/2001)

Member of DFG-Project Analysis und Numerik von kinetischen Quantentransportmodellen (07/1996-02/2001)

Member of DFG-Project Quantenhydrodynamische Modelle - QHD (1993-1997)

Member of DAAD-Project (with Acciones Integradas-Spain) Räumliche und zeitliche Strukturen in Halbleiter und Oszillator-Ensembles (1994-1998)