Coming from a Designer's background I started with TYPO3 in 2002

Today I am:
Well known TypoScript Wizard
TYPO3 Trainer & Coach
External Senior Consultant at T-Systems
Author of O'Reilly's TYPO3 Kochbuch, which is unfortunately still not translated yet but might be worth to be rewritten for TYPO3 6.0

And our company Cybercr@ft Media Manufactory is
Active TYPO3 Core Contributor
Extension Developer
Workbench for TYPO3 and other agencies