Adding an Admin to your Facebook Business Page:

From a desktop or laptop. META SUITES Version (Mobile Version follows desktop version).

Switch to your page:

Click on your icon in the top right corner. 

From here, you’ll see a new menu at the left hand side of your screen: 

From Here add an as an Admin

Add Raphael Rostenne as an Admin on your account

   On the New Page Experience page. Click on Add New 

   
Do a search for Raphael Rostenne and select admin as the role.

From a Mobile device: 

---

Start with the hamburger: 

Switch to your Business Name and hit the hamburger again…

Scroll down to and click on Settings and Privacy

Then select Settings. 

On the Settings Page: Select Page Settings for Your Business Page…

Scroll Down New Pages experience and click on Page Access…

From Page Access Page Click on Add New…

Search for Raphael Rostenne…

Hit Next…

Allow Raphael to have full Admin access and hit Give Access…