graaff
Hans de Graaff
Responsible for anything related to technology at Winkwaves, where we help business become more social with our Harmonics product offerings. Gentoo Linux developer with a special interest in all things Ruby.
The Hague, The Netherlands
Following (0)
Followers (4)
![]() |
tampakrap Theo Chatzimichos |
![]() |
ephemer0l |
![]() |
jlec Justin Lecher |
![]() |
arjenpdevries Arjen P. de Vries |