What is Account Administrator (AA)?
Account Administrator (AA) meaning An individual typically in the grantee organization’s central research administration office designated by a SO to facilitate the administration of NIH eRA Commons accounts. The AA can create, modify and/or remove the necessary accounts for these types: AO, AA, FSR, PI or ASST. Although the AA can create additional accounts, the AA cannot modify institutional profile (IPF) information.
reference: Glossary of NIH Terms