1. If the user already exists, go to their details page in the Tenant Dashboard and click on the "Edit" button. 

2. On the next page, scroll down to the "Program" field. Check the box next to Program Admin and make sure they're in the correct program, then click on the "Save" button. 

3. If the user does not exist, go to the program you'd like to assign an admin to and click on the "New User" button. 

4. On the next page, fill out all of the required information for the new user. At the bottom of the page, the program will be pre-selected; check the box next to Program Admin and then click on the "Save" button.