Professional Service
Association of European Operational Research Societies - EURO
- President elect (since 01/2012)
- Vice President 1 (01/2008-12/2011), responsible for Conferences and Meetings
The German Society of Operations Research - GOR
- President (01/2003-12/2006)
- Member of the Board of GOR (01/2001-12/2002)
- Member of the Advisory Council of GOR (03/1997-12/2000)
German Academic Association for Business Research - VHB
- Chairman (1999-2001) of the Scientific Commission "Operations Research"
- Vice-Chairman (1995-1999) of the Scientific Commission "Operations Research"
- Member of the Advisory Council (1999-2001)
- Member of the Scientific Commissions "Produktion", "Logistik", "Operations Research"
- Organzizer of the meetings 1999, 2000 and 2008 of the Scientific Commission "Operations Research"
EURO Special Interest Group on Cutting and Packing - ESICUP (Former: SICUP)
- Organzier of the first meeting of "EURO Special Interest Group on Cutting and Packing", Lutherstadt Wittenberg, 3/2004
- Founder Member of SICUP (7/1988)
- Co-Chairman of SICUP (1988-2000), in co-operation with Prof. H. Dyckhoff, Aachen, Germany, (1988-1996); in co-operation with Prof. E. E. Bischoff, Swansea, U.K., (1996-2000)