A user with any user role can be specified as an instructor for a learning activity: being an instructor provides no additional privileges, and is used for user information purposes only.
Note: Since this information is exposed via the web services API, it can be used to display contact information for instructors on a web site that lists courses.
Choose the appropriate client or your own organization.
Open the activity detail screen.
Click Edit (below the activity name).
From the Edit menu (top right corner), choose Instructors.
You see a new screen listing assigned instructors and available users.
Check the users who are to be instructors for this learning activity. The first instructor is designated as the "lead" instructor.
Click Go back to summary.
The selected instructors are shown in the details of the learning activity.