You can only add an affiliation for a sponsor, property, or agency that you currently work at. Once approved, you will be able to update and edit information on the page. In addition, you will gain access to exclusive information about your organization in the company feed. Multiple colleagues are encouraged to join to keep their organization's page up to date and manage their sponsorship activity.
To add an affiliation with your employer:
1) Hover over your Account badge in the upper right corner of any page
2) Click on the Profile link
3) Scroll down the 'Company Affiliations' section
4) Type in your employer's name and choose them from the list
5) Click on the 'Add Affiliation' button
You will be notified when your affiliation is approved.