1) You want to do this to give students a better sense of who is teaching this course.
2) Click on your name in the upper right part of the page.
The following drop-down box will appear.
3) Click on Preferences. An additional box will appear.
Click on Edit Profile.
The Preferences page will open.
In Edit Profile, some sections will already have been filled. You may make whatever changes you like. All changes you make will be reflected in all your profile data across Moodle. What you enter for one class will appear for all. When you are done, there is an update profile button at the bottom of the page you need to click.