- Student of Computer Science in Lübeck, Germany until autumn 2011.
Involvement in Open Source Projects
- Core developer of the Xfce desktop environment and current president of the Xfce Foundation.
- Developer of the graph drawing subsystem of the PGF/TikZ graphics package.
- Guitarist in a German stoner rock outfit (previously active as a drummer and bassist for other bands).
- Occasionally active in sports like running, snowboarding and surfing.
31 How to put a line number every line of algorithmic may 13 '11
24 Draw edges and paths in the background of nodes in TikZ may 14 '11
22 Use CSS-style color specifications in xcolor? may 11 '11
15 Double arrow in TikZ? may 12 '11
5 Generating graphics for LaTeX with PyX may 12 '11
3 How to automatically draw a graph in LaTeX may 11 '11