"what are your qualifications? how long have you practiced? what tradition do you work in? "
Whilst I do not know what would count for as "qualifications", being raised in a christian household and never even being able to attend a "pagan celebration" (Including trick-o'-treating on halloween whilst growing up), I have been in many otherkin/therian groups and I have taught classes before (Off-site) about energy manipulation and draconic paganism.
I have studied for a little over five years and have been practicing for three. I still actively study and read, more or less entire books.
I work under a naturalistic tradition, one that could be seen as a druidic or shaman-esque path. I do classify myself as a draconic pagan with strong polytheistic beliefs as well as an herbal and earth-centric atmosphere. My practice is also heavily spiritual.