Most components that allow the user to send an email provide for multiple emails...
Allow the user to send their results to multiple emails (comma separated).
Also, in each quiz setting allow an email to be added (or multiple with comma separated) to automatically send to those emails (e.g. supervisor's email, admin email, author email, etc...).
I use the extension for internal company training and the person's supervisor and the head of training need to be sent the report.