Use and extend the Django User Model for RegisteredUser
see pages 261-267 of two scoops
or just a one to one field (tbd) https://stackoverflow.com/questions/44109/extending-the-user-model-with-custom-fields-in-django
see pages 261-267 of two scoops
or just a one to one field (tbd) https://stackoverflow.com/questions/44109/extending-the-user-model-with-custom-fields-in-django