- Member of the specialist commission 2007-2008.
- Co-Director of the Department Mathématiques, Informatique, Décision et Organisation (MIDO)
since September 2008.
- PDeputy President of COSI (Information System Steering Council) since 2009.
- Head of the Pole « Optimisation Combinatoire,
Algorithmique, Données » LAMSADE since
October 2008.
- Network Manager
MIAGE.
- Head of the Polyhedra and Combinatorial Optimization Team (EPOC)
du LAMSADE, since September 2007.
- Member of the EQUIS group at Paris Dauphine University in charge of programs.
- Head of the Computer Science Degree October 1999-
June 2007.
- Head of the DESS in Information Systems and Decision Support, June 2000-September
2002.
- Member of the Council of the Department of Mathematics and Computer Science, December
2000-December 2002.
- Member of the 27th Section Specialist Commission since April 2001 and Vice-President of the Commission from April 2001 to May 2004.
- President of the Specialist Commission, 27th Section of the UBP, September 2001-September
2002 (interim during the Commission President's sabbatical).
- President of the Specialist Commission, 27th Section of the UBP, May 2004-April 2007.
- Head of the LIMOS "Combinatorial Optimization" project, 2004-2007.
- Head of the Polyhedra and Combinatorial Optimization Team (EPOC) at LIMOS, 2000-2007.
- Member of the LIMOS Council, 1998-2007.
- Director of the Computer Science Department, October 1996-June
1998.
- Head of the Computer Science Degree, October 1992-June 1998.
- President of the Specialist Commission, 27th Section (Computer Science) of UBO, September 1993 - January 1998.
- Head of the "Production Management" module (200 hours) of the DESS (Degree in Computer Science and Production Automation)
Department of Computer Science, UBO, 1992-1998.
- Head of the "Production Systems and Optimization" Laboratory (part of the UBO Computer Science Reception Team), 1993-1998.
- Member of the Computer Science Department Council,
1993-1998.
- Member of the "Batiments" Committee of the UFR Sciences,
September 1992-October 1995.
- Director of the Department of Statistics and Operational Research, December 1988-November 1990.