Affiliated Tribes of Northwest Indians

Affiliated Tribes of Northwest Indians

Affiliated Tribes of Northwest Indians [ATNI] is Dedicated to Promoting Tribal Self Determination & Sovereignty.

The Affiliated Tribes of Northwest Indians (ATNI) is a non-profit organization that represents the interests of 57 federally recognized tribes in Oregon, Washington, Idaho, Montana, and Alaska. ATNI was founded in 1958 and is headquartered in Portland, Oregon.

ATNI works to achieve its goals through a variety of programs and services, including:

  • Advocacy: ATNI advocates on behalf of its member tribes on a wide range of issues, including tribal sovereignty, treaty rights, and economic development.
  • Education: ATNI provides educational programs and resources to its member tribes on a variety of topics, including tribal history, culture, and law.
  • Technical assistance: ATNI provides technical assistance to its member tribes on a variety of issues, including economic development, natural resources management, and environmental protection.
  • Funding: ATNI provides funding to its member tribes for a variety of projects, including economic development, education, and health care.

ATNI is committed to promoting the self-determination and sovereignty of its member tribes. The organization works to ensure that its member tribes have a seat at the table in decision-making processes that affect their lives. ATNI also works to protect the treaty rights of its member tribes and to ensure that they have access to the resources they need to thrive.

If you are interested in learning more about ATNI, you can visit the organization's website at

Here are some additional details about ATNI:

  • ATNI has a staff of over 100 people.
  • ATNI's annual budget is over $10 million.
  • ATNI is governed by a board of directors that is composed of representatives from its member tribes.

ATNI is a valuable resource for the tribes of the Pacific Northwest. The organization provides advocacy, education, technical assistance, and funding to help its member tribes thrive.

Find Us

5904 NE Sandy Blvd, Portland, OR 97213, USA
When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume among the powers of the earth, the separate and equal station to which the Laws of Nature and of Nature's God entitle them, a decent respect to the opinions of mankind requires that they should declare the causes which impel them to the separation.


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