Member of the Editorial
Board of the CGAL Open Source
CGAL Review Manager (spring 2010 - spring 2012)
Member of the Editorial Board of CGTA,
Geometry: Theory and Applications, since August 2009.
Member of the Editorial Board of IJCGA, International Journal of Computational Geometry and Applications, since August 2008.
Guest editor of a Special Issue of Discrete and Computational Geometry (Volume 42, Number 3 / October 2009).
Guest editor of a Special Issue of CGTA (Volume 43, Issue 3 / April 2010).
Member of the Computational Geometry Steering Committee (2009-2013).
Member of the program committee of EuroCG'13, European Workshop on Computational Geometry.
Member of the program committee of WADS'11, Algorithms and Data Structures Symposium.
Member of the program committee of ICMS'10, Third International Congress on Mathematical Software.
Member of the Video/Multimedia committee of SoCG'10, 26th Annual Symposium on Computational Geometry.
Program committee chair of SoCG'08, 24th Annual Symposium on Computational Geometry (Scoring Instructions).
Video/Multimedia committee chair of SoCG'07, 23rd Annual Symposium on Computational Geometry.
Member of the program committee of ICCV'07, 11th IEEE International Conference on Computer Vision.
Member of the program committee of SoCG'05, 21st Annual Symposium on Computational Geometry.
Member of the program committee of Alenex'05, 7th SIAM Workshop on Algorithm Engineering and Experiments.
Webmaster of the Computational Geometry Web Pages since 2007.
Member of the selection committee of
the Agrégation de Mathématiques,
2009-2011 (rapports :
Motion du jury 2010 - Démission de 30 membres du jury, 2012 - Formations des enseignants en crise
Organization of scientific events:
ALGO'13 (local arrangements committee chair), Sophia Antipolis, September 2-6, 2013.
Dagstuhl Seminar on Drawing Graphs and Maps with Curves, with Sara Irina Fabrikant, Stephen Kobourov, and Martin Nöllenburg, Leibniz-Zentrum für Informatik, Germany, April 8-12, 2013.
Dagstuhl Seminar on Computational Geometry, with Otfried Cheong and Kurt Mehlhorn, Leibniz-Zentrum für Informatik, Germany, March 4-8, 2013.
Workshop on Geometric Computing, with Olivier Devillers, Menelaos Karavelas, and Elias Tsigaridas, Heraklion, Crete, Greece, January 21-25th, 2013.
Workshop SIGMA'2012: Signal, Image, Geometry, Modelling, Approximation (member of the scientific committee), Marseille, November 19-23, 2012.
Minisymposium on publicly available geometric/topological software, with Menelaos Karavelas, Chapel Hill, USA, June 17&19, 2012.
Dagstuhl Seminar on Computational Geometry, with Pankaj K. Agarwal and Kurt Mehlhorn, Leibniz-Zentrum für Informatik, Germany, March 13-18, 2011.
Workshop on Computational Geometry, with Olivier Devillers, INRIA Sophia Antipolis - Méditerranée, December 8-10, 2010.
Session on Exact numeric computation for algebraic and geometric computation in the Third International Congress on Mathematical Software with Chee Yap and Michael Sagraloff, Kobe University, Kobe, Japan, September 13-17, 2010.
Subdivide and Tile: Triangulating spaces for understanding the world, with Gert Vegter and Rien van de Weijgaert, Lorentz Center, The Netherlands, 2009.
Dagstuhl Seminar on Computational Geometry, with Pankaj K. Agarwal and Helmut Alt, Leibniz-Zentrum für Informatik, Germany, 2009.
CGAL Prospective Workshop on Geometric Computing in Periodic Spaces, with Andreas Fabri, 2008.
Workshop on Robust Shape Operations, 2007.
Workshop on Effective Computational Geometry for Curves and Surfaces, with Jean-Daniel Boissonnat, 2004.
Workshop on Robustness and Efficiency Issues in Implementing Arrangements of Curves and Surfaces, with Dan Halperin, 2002.
Prisme Seminar until fall 2000.
Journées de géométrie algorithmique, with Bernard Lacolle, CIRM, 2000.
Journées de géométrie algorithmique, 1998.
Elected member of the Evaluation Committee since July 2005.
PES: La recherche en danger - Lettre sur la PES - Pas duPES - Sauvons la recherche
Member of the national committee evaluating the proposals for Actions de Développement Technologique (internal site) in 2010, 2011, 2012.
Member of the Sophia Antipolis Commission de développement technologique (Commission for technologic development) since 2009.
Member of the Sophia Antipolis Comité de suivi doctoral (Committee for doctoral monitoring) from October 2007 to September 2009.
Member of the Sophia Antipolis COLOR (Local Research Collaborations) committee in 2006, 2007, 2009, and 2010.
Member of the Sophia Antipolis Hygiene and Security Commission from spring 2000 to end 2007.
Elected member of the Sophia Antipolis Comité de Centre (Laboratory committee) for many years, until end 2004. Webmaster of this committee for a few years.