The Intervenor Organization of Ontario (IOO) is comprised of intervenors and is committed to providing advocacy and support on behalf of its members.

Through the provision of a Code of Ethics, professional standards and opportunities for career development, the IOO is dedicated to providing quality intervention services to deaf-blind persons.


  1. To act as an advocacy and support group for its members
  2. To promote public awareness of the profession
  3. To develop and maintain a Code of Ethics
  4. To set standards of certification
  5. To provide professional development opportunities and information sharing
  6.  To initiate and promote the development of programs designed to facilitate the education and training of potential intervenors
  7. To act as a resource and support to other organizations