Gunnar is one of the most senior guys in the world outside of the IBM Rochester LAB. He started his career at IBM in the 1970's and has working with S/34, S/36, S/38, AS/400, iSeries, System i, and nowadays IBM Power systems & IBM i. He knows the system on a level that few can compare themselves with, he's been speaking at numerous of conferences, been writing numerous of articles to share his own knowledge and built up the most technical advanced environments long before the technologies has become mainstream. And now he can be your teacher!