Bas van Atteveldt is founder of 2AT. We specialize in Microsoft technology in general and specifically Sharepoint. Our biggest Sharepoint project is a 10k user Sharepoint implementation we designed, developed and maintain. This solution is integrated with Live Communications Server and Macromedia Breeze.
My co-owner (Beat Niderost) and I where also speakers at the DevDays 2007.http://www.2at.nl