I've seen a common practice, in some places, that every intranet web app, or desktop app, shows a label somewhere stating "Welcome: [name of person]".
I understand that such a welcome message has some value inmediatly after a person signs up for a website, but not every time he/she logs in.
Heres a mockup:
- Does this add value?
- Where does this custome come from?
- Does any usability source recommend it?
I would personally prefer to add the name of the user besides the log out button like this: