I have 11 years experience writing realtime graphics applications for television and museums mostly in OpenGL and C/C++.
5 years coding with Ruby including Rails pre 1.0. Ruby is my language of choice.
7 years OBJ-C on Mac OSX
Various other bits and pieces as the need arose.
5 years managing software teams of up to 15 developers in size.
Author of FTGL
A life time of studying development techniques and methodologies.