Can new PBE testers become "Contributors"?

As riot has said in previous post that there were a small list of testers who won't have there accounts deactivated every cycle. (Probably testers like Pawnce) I was wondering if new testers like myself would be able to become one of these types of testers and what I would have to do so. I know consistently bringing good feedback to problems or finding bugs is what I am suppose to do, but is there anything I can do above and beyond to become a contributor? rito plz xD?
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