In my ASP.NET MVC 4 application, I have a log in box, which is included in the "_Layout" View and shared between all pages. After successful authentication, I would like to present some basic data about the logged in user (First Name, Score, etc.) instead of the log in box. Of course, it also needs to be visible on every page. What would be the best method of implementing this? How can I get the data? Below you can see the screenshots of the box and what I want to achieve.
Before log in:

After log in:
