Terry Mason Moore

Terry Mason Moore is an enrolled member of the Osage Nation. She has served as Assistant Principal Chief of the Osage Nation and as a council member of the 31stOsage Tribal Council, and as Gaming Commissioner. She currently serves as General Counsel to the Office of the Chief.

Terry serves as a Justice of the Supreme Court for the Santee Sioux Tribe in Nebraska, a Justice of the White Earth Court of Appeals, a Justice for the Prairie Island Court of Appeals, as Judge Pro Tem for the Shakopee Mdewakanton Dakota Community in Minnesota, and as Justice for the Miami Tribe of Oklahoma Court of Appeals.  

She obtained a Bachelor of Science in Management from Northeastern State University, a Juris Doctorate from the University of New Mexico School of Law, a Masters of Business Administration from the University of Minnesota, and studied International Law and Comparative Law at Oxford University in England.  She completed training in Minnesota as a qualified neutral for mediation and arbitration and has completed training for online dispute resolution.  She was a founding board member for the Minnesota American Indian Bar Association and co-chaired the Minnesota tribal-state committee on Full Faith and Credit. Since 1983, she has practiced federal Indian law as an attorney and has served since 1995 as tribal judge in the tribal courts for several tribes.  She completed the Oklahoma Bar Association Leadership Academy as a member of the 2016 class.

Terry is Chair of the Advisory Board for Pawnee-Osage CASA (Court Appointed Special Advocates serving the two tribal courts and corresponding state courts), Board Member and Secretary for the Oklahoma Native Assets Coalition, Board of Control member for the Fairfax Medical Facilities (a federally qualified health center FQHC with 4 clinics), Board Member of the Oklahoma Native American Cultural and Education Authority (a state appointment), and former member of the Advisory Board for the Special Trustee, Department of Interior (a federal appointment).  

Terry is married to Ted Moore Jr and they have four grown children and two grandchildren.