The following functions are integrated by default :

Publisher
Editor-in-Chief
Section Editor
Journalist
Freelancer
Proofreader - Editing Desk
Graphics Designer
Layout Artist
Chef de publicité
Advertiser
Advertising Manager
Distribution Manager
Marketing Associate

Profiles are configured and can be modified at any time by the administrator, directly with the web interface.
Rights or privileges of each user are defined by functions, content types and workflow status. Roles are cumulative.