The annual dues payment is $100 for Regular or Fellow members. Tweed Study Course Instructing Staff pay $100 for the first year and $250 dues thereafter. Annual dues are required for membership and may be paid by mailing a check or by using our secure online credit card payment method.

Please submit the following documents to apply for membership to the Charles H. Tweed International Foundation:

  1. Application for Membership (click here to download and mail or email a scan)
  2. Annual Dues Statement (click here to download and mail or email a scan)
  3. Mail, fax, or email scanned documentation to show proof of membership in your country's W.F.O. affiliated orthodontic association. If you are not a member then you must provide documentation to show that you are eligible for membership. This must be included with your application. Contact us for further assistance at or call 520-326-6002.
  4. Along with application and documentation, mail a check payable to Charles H. Tweed Foundation or return to the home page to make an online payment.

Email, Mail or Fax to:
Charles H. Tweed International Foundation
2620 E. Broadway Blvd.
Tucson, AZ 85716 U.S.A.
FAX: 520-326-1163
PHONE: 520-326-6002