First, navigate to the project's Directory and click on the Company that has the user you want to edit:

Next, navigate to the Users tab and click on the Pencil icon next to the contact's name:

In the Edit User pop-up window, select the Primary Contact checkbox and click Update:

The user will now be listed as a Primary Contact in the Closeout Package PDF Export.

If the individual you want to set up as the Primary Contact is not listed, click New User or Import Users from Procore, and then follow the steps outlined above: