Organisations:

• Eurographics member
• GI (Gesellschaft für Informatik) member
• Member of Leitungsgremium (steering committee) des Fachbereichs Graphische Datenverarbeitung of GI (Fachexperte)
• Member of Leitungsgremium special interest group on VR/AR of FB GDV / GI
• Member of special interest group of images synthesis of FB GDV / GI

Committee member / reviewer of the following conferences and workshops:

• IEEE VR Virtual Reality Conference.
  • IEEE VR 2005 took place in Bonn!
  • IEEE VR 2006 Alexandria, Virginia, USA.
• Afrigraph ACM SIGGRAPH International Conference on Computer Graphics, Virtual Reality, Visualisation and Interaction in Africa.
• VRCAI ACM SIGGRAPH International Conference on Virtual Reality Continuum and its Applications in Industry.
• SVR Symposium on Virtual Reality
• Workshop Virtuelle und Erweiterte Realität, GI Fachgruppe VR/AR,
  • 1. Workshop, Chemnitz, September 2004
  • 2. Workshop, Aachen, September 2005
  • 3. Workshop, Koblenz, September 2006
  • 3. Workshop, Weimer, März 2007
• ACM VRST, Monterey,
  • USA, November 2005
  • 2006
  • 2007
• Eurographics WS on VE / IPT, Aalbord, Denmark, October 2005
• ISVC06 – 2nd International Symposium on Visual Computing

Session chair at the following conferences:

• ISVC 2007, Reno, USA
• VRCAI 2004, Singapore, 2004, “Rendering” and “Distributed, Collaborative & Clustered VRC”
• Afrigraph 2002, Cape Town, South Africa, 2002
• WSCG International Conference on Computer Graphics, Visualization and Computer Vision. Session “Constraint Motion & Surface Meshing”, Plzen, Czech Republic, 1998
• Virtual Environments / IEEE YUFORIC, Stuttgart, Germany 1998

Committee member of the following journals:
Journal of Virtual Reality and Broadcasting (jvrb.org), member of editoral board.