For questions concerning ROH or ROHT eligibility or examinations, please contact the Registrar, Liz Krivonosov, ROH at:
For questions concerning job postings, website passwords, annual fees and all other administrative items, please contact the Secretariat, Sue Singer at:
Business office mailing address
P.O. Box 324
Carleton Place, ON K7C 3P4
Please note that we no longer accept faxes.