Chrissi Nimmo

Chrissi is an Assistant Attorney General for Cherokee Nation who has represented the Nation in tribal, state and federal courts since 2008. She primarily focuses on the Indian Child Welfare Act and in-house counsel duties for the Nation. She represented Cherokee Nation in Adoptive Couple v. Baby Girl before both the United States Supreme Court and the South Carolina Supreme Court and in Nielson v. Ketchum before the United States Court of Appeals for the Tenth Circuit. Chrissi also serves as the Adam Walsh Act Sex Offender Registration and Notification Compliance Office for Cherokee Nation.

Chrissi is the former president of the Cherokee County Bar association and former chair of the Indian Law Section of the Oklahoma Bar Association. In law school, Chrissi served as vice-president of the Student Bar Association, was an editor for Tulsa Law Review, was named Gable & Gotwals Outstanding First-Year Student, and graduated in the top 5% of her class.


Chrissi is admitted to practice before the Supreme Court of Oklahoma, the Supreme Court of Cherokee Nation, the U.S. District Courts for the Eastern and Northern Districts of Oklahoma, U.S. Court of Appeals for the Tenth Circuit and the United States Supreme Court.


2008, J.D., University of Tulsa College of Law, with Highest Honor
2005, M.B.A., Northeastern State University, Honors Graduate
2002, B.A., Northeastern State University, Summa Cum Laude


918-458-6998 - phone

918-458-6142 - fax