Print PDF

Prominent Tribal Affairs Lawyer Joins Lewis Roca

Press Release

PHOENIX (October 19, 2021) – Lewis Roca announced Ronald N. Rosier has joined the firm as of counsel in the Regulatory and Government Practice Group.

An accomplished lawyer with more than 20 years of Indian law experience, Rosier focuses his practice on the representation of tribal governments in the areas of Federal Indian law, economic development, business law, and gaming law. He provides legal advice to tribal economic development authorities and corporations, and to entities seeking to do business with Indian tribes.

Rosier has represented clients in commercial leasing and land development projects, government infrastructure projects, acquisition of rights of way/easements, the development of new commercial enterprises, and the reorganization of existing business entities. He also provides legal advice to tribal governments regarding third party commercial leasing and development of allotted trust land. In addition, Rosier advises tribal clients regarding tribal-state tax issues involving governmental and commercial activities. He also has experience in management contracts, business licensing and suitability issues, and tribal corporate governance.

Rosier has also provided counsel and handled matters addressing tribal gaming law and regulatory issues, gaming licensing and state suitability issues, casino operational issues, gaming equipment purchases, and compact disputes with the state regulatory departments. He has served as legal counsel for tribal gaming commissions and also advised tribal clients regarding new casino development projects.

Rosier is a member of the Navajo Nation and grew up in areas within and surrounding the Navajo Reservation. Many of Rosier’s family members still live within the former Bennet Freeze area of the Reservation and carry on the family custom of cattle ranching. He is currently a member of the Indian Law Section, the Native American Bar Association of Arizona, and received his J.D. from Arizona State University, Sandra Day O’Connor College of Law, and his B.S. from Northern Arizona University.

About Lewis Roca

Lewis Roca is an Am Law 200 law firm serving clients globally in complex litigation, intellectual property, business transactions, gaming, government relations, labor and employment, and regulatory counseling. Its offices are located in Albuquerque, Colorado Springs, Denver, Las Vegas, Los Angeles, Phoenix, Reno, Silicon Valley, and Tucson. To learn more about the firm, please visit us at our new website at



Practice Areas


Media Contact

Whitney Murray, Communications Manager


Jump to Page

How Can We
Help You?

By using this site, you agree to our updated Privacy Policy and our Terms of Use.