OII United States’ mission is:
- To campaign for the human rights of all intersex people, particularly the right to self-determination and bodily integrity.
- To support intersex individuals by providing information and contact with other intersex people from various groups and geographical regions.
- To provide information concerning actual life experiences of people with intersex variations to all those working with people with atypical sex anatomy, including medical personnel, psychological experts, sexologists, sociologists and academics.
- To assist families and friends of intersex individuals to understand intersex and to cope with the specific issues related to their role as a support person.