TRE® Provider List

ONLY USE TRE Certified Providers or Certification Trainers listed on this list.  If your TRE provider or trainer is not listed here, one of the following may have occurred:

  • This person never completed their Certification process and does not have the skills and competencies required to teach TRE to others.
  • This person has been de-certified as they were not teaching TRE safely and competently and to the high standards of TRE FOR ALL, Inc.
  • This person chose not to be listed on the website.

If there are questions about a provider, please send your inquiry to:

To search for TRE Providers, select your state, country, and / or Level and click Search.

Avatar Provider Name: Nanna-Kristin Arder Certified TRE® Provider Email This Provider +47 91789508 Bekkestua Norway female Body Worker English, German, Norwegian Profession: Voice teacher and Massage therapist. Author of two textbooks about training of the singing voice: «Sangeleven i fokus». I’m certified as TRE Level ll Provider. Assosiated with The Diamond Approach ( ). 1