You need to have either an Administrators or Editors role to be permitted to perform these changes.  Check the Members List if you are unsure which roles have been assigned to your login.
 
To add an individual to the committe members list (Committee Members):
1. Go to the View Users page (view users)
2. Ensure the user is registered with the site
3. Under the Operations column, click on the edit button for the user required
4. Navigate to the ssac_admin tab shown just above the users login name
5. Select the position of the user from the 'Committee Member Positions:' dropdown box
6. Click on save at the bottom of the page
 
To remove an individual from the committe members list:
1. Follow steps 1-4 for adding a user
2. Select 'None' from the 'Committee Member Positions:' dropdown box
3. Click on save at the bottom of the page