Dedicated to Promoting Tribal Self Determination & Sovereignty

ATNI is organized and chartered as a non-profit 501(c)3 corporation under the laws of the State of Oregon. The organization sets out its membership and operating policies within its Constitution and Bylaws and ATNI Policies & Procedures Manual. Authority for management of the affairs of ATNI are delegated to the Executive Council by the members and further delegated to the Executive Board, Committees, and Executive Director.



Front Page News

ATNI Convention 2015

ATNI Mid Year Convention 2015

May 18-21, 2015

Host Tribe: Confederated Tribes of Warm Springs

Kah-Nee-Ta Resort & Spa
6823 Highway 8, PO Box 1240
Warm Springs, Oregon, 97761, United States


Mention ATNI for convention rates

For questions, please call ATNI Office (503) 249-5770

ATNI Event

ATNI Tribal Leaders Summit on Climate Change
March 10 & 11th, 2015

Doubletree Lloyd Center, Portland Oregon

Tribal Councils, Policy Leaders, Tribal Staff, and federal agency representatives are requested to attend the ATNI Tribal Leaders Summit on Climate Change.

Agenda features Keynote Address: Secretary of Interior Sally Jewel

The purpose of the Summit is:

  • To  convene ATNI Tribal Leaders to discuss Climate Change Impacts
  • To  Share Tribal Strategies, Plans, Policy on Climate Change, Energy, and Carbon Emissions
  • To Discuss  Regional, National, and International Policy on Climate Change
  • To Discuss Tribal Needs and Funding Opportunities
  • To Identify Strategies to Promote and Protect Tribal Sovereignty and Tribal Resources
  • To Discuss the opportunity to develop a NW Tribal Action Plan on Climate Change

Affiliated Tribes of Northwest Indians "Environmental Protections and Restoration-Pacific NW Tribal Best Practices" from DigitalSmokeSignals on Vimeo.

Don Sampson, Executive Director

Institute for Tribal Government & ATNI Climate Change Project Coordinator
Cell: (541) 215-2753  or  (541) 215-2919

Register Online Now

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NIEA Call for Artwork

NIEA Call for Artwork for our upcoming Conference in Portland, OR.  The deadline date is February 13, 2015.

The NIEA Convention is scheduled for October 14-17, 2015.  If you have any questions, please contact Nancy Dewire by email at

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First National Conference Set to Discuss Legalization of Marijuana in Indian Country
Native Leaders Called to Consider Significant Social, Political, Economic and Cultural Ramifications of Marijuana Legislation
A ground-breaking national conference to examine the legal, political and social policy implications of marijuana legalization in Indian Country will take place in Washington state in February.  Tribal leaders, executives, entrepreneurs and Native health and social work professionals, and law enforcement personnel are being called upon to attend the conference scheduled for February 27, 2015 at the Tulalip Resort Casino in Quil Ceda Village, WA. This unprecedented conference is being co-sponsored and organized by Odawi Law PLLC and Harris Moure, PLLC to help leaders in Indian Country fully understand the wide-ranging issues associated with embarking on the development of tribal marijuana legislation and considerations of commercial marijuana cultivation, manufacture and distribution in tribal jurisdictions. 
For more details on the Tribal Marijuana Conference and registration information contact: Erica Curnutte at at (206) 224-5657 or or

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ATNI Winter Convention 2015 - Recap

February 2-5, 2015
Hosted by: Confederated Tribes of Siletz Indians
at Chinook Winds Casino Resort

Please see our event page for more details and presenter materials->