How to transfer or delete a Google Scholar profile from my own account?
Google Scholar profiles are not transferable. But you can delete the Google Scholar profile from your own account. Then create a new profile while signed in to your advisor's account.

To delete the Scholar profile from your own account, go to Google Scholar and click on "Settings":



then click on "Account":



then click on "Delete or recover your Scholar account."

There, you'll have to affirm that you are sure you'd like to delete the account, and that you understand you have 30 days to change your mind. Check all the boxes, then click "Delete account":